Search Constraints
Search Results
- Date:
- undated
- Materials & Techniques:
- Watercolor and graphite on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 6 × 12 5/8 inches (15.2 × 32.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on medium, slightly textured, beige wove paper
- Dimensions:
- Sheet: 11 5/8 × 17 inches (29.5 × 43.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
3. Beaugency
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 11 3/8 × 16 7/8 inches (28.9 × 42.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
4. Blois
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
5. Tours
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (b) on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 7/8 inches (28.6 × 42.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
7. Graville
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 12 × 17 1/2 inches (30.5 × 44.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 3/4 × 17 1/8 inches (29.8 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
9. Quilleboeuf
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 7/8 × 16 5/8 inches (30.2 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
10. St. Florent
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 3/4 × 17 1/4 inches (29.8 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
11. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 7/8 × 15 7/8 inches (27.6 × 40.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 7/8 × 15 7/8 inches (27.6 × 40.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (a) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 12 × 17 1/8 inches (30.5 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving; first published state on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 6 7/8 × 10 5/8 inches (17.5 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 6 7/8 × 10 1/2 inches (17.5 × 26.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
17. Quilleboeuf
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 7 × 10 1/2 inches (17.8 × 26.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
18. Blois
- Date:
- 1933
- Materials & Techniques:
- Etching and engraving on moderately thick, smooth, cream wove paper
- Dimensions:
- Sheet: 6 7/8 × 10 9/16 inches (17.5 × 26.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
19. Tours
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on moderately thick, smooth, cream wove paper
- Dimensions:
- Sheet: 6 7/8 × 10 5/8 inches (17.5 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
20. St. Florent
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 15/16 × 10 5/8 inches (17.6 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 7/8 × 10 5/8 inches (17.5 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
22. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 7 × 10 5/8 inches (17.8 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
23. Graville
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, smooth textured, cream wove paper
- Dimensions:
- Sheet: 7 × 10 1/2 inches (17.8 × 26.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
24. Tours
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving, with graphite and scraping out; touched engraver's proof (a) on moderately thick, smooth, cream wove paper
- Dimensions:
- Sheet: 7 1/4 × 10 5/8 inches (18.4 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
25. Blois
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving, with graphite; touched engraver's proof (ab) on moderately thick, smooth, cream wove paper
- Dimensions:
- Sheet: 8 5/8 × 12 inches (21.9 × 30.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
26. Beaugency
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 10 5/8 × 16 3/8 inches (27 × 41.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
27. Blois
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 8 3/4 × 11 inches (22.2 × 27.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
28. Graville
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 × 16 inches (27.9 × 40.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 × 16 1/4 inches (27.9 × 41.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 7/8 × 16 1/4 inches (27.6 × 41.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving; engraver's proof on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 14 7/8 × 19 1/4 inches (37.8 × 48.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
32. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé on thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 9 1/2 × 11 1/2 inches (24.1 × 29.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
33. Beaugency
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; early engraver's proof on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 6 × 8 7/8 inches (15.2 × 22.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
34. Tours
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (c) on moderately thick, textured, cream wove paper
- Dimensions:
- Sheet: 11 3/8 × 16 7/8 inches (28.9 × 42.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 8 3/4 × 12 1/8 inches (22.2 × 30.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (b) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
37. Beaugency
- Date:
- 1833
- Materials & Techniques:
- Etching; open etched state on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 8 5/8 × 12 1/16 inches (21.9 × 30.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
38. St. Florent
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; engraver's proof (b) on moderately thick, slightly textured, cream wove paper with beige chine collé
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
39. St. Florent
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; engraver's proof (ab) on moderately textured, slightly textured, cream wove paper
- Dimensions:
- Sheet: 8 5/8 × 11 13/16 inches (21.9 × 30 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
40. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; early engraver's proof on thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 9 1/8 × 13 1/8 inches (23.2 × 33.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 1/2 × 16 inches (26.7 × 40.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving with chine collé; early engraver's proof on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 8 1/8 × 10 5/8 inches (20.6 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
43. Jedburgh Abbey
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving, with graphite and scraping out; touched engraver's proof (I) on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 12 × 17 3/8 inches (30.5 × 44.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (b) on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof (ab) on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 8 3/4 × 11 1/8 inches (22.2 × 28.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
46. Blois
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
47. Beaugency
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 11 × 16 1/8 inches (27.9 × 41 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
48. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, beige wove paper with cream chine collé
- Dimensions:
- Sheet: 11 × 16 1/2 inches (27.9 × 41.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
49. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper with cream chine collé
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper with cream chine collé
- Dimensions:
- Sheet: 10 7/8 × 16 1/4 inches (27.6 × 41.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
52. Quilleboeuf
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 3/4 × 16 1/4 inches (27.3 × 41.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 × 16 1/2 inches (27.9 × 41.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, smooth textured, cream wover paper
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
55. Jedburgh Abbey
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 10 1/4 × 14 1/2 inches (26 × 36.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
56. Tours
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 7 × 10 5/8 inches (17.8 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
58. Jedburgh Abbey
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 3/4 × 17 1/8 inches (29.8 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving on moderately thick, smooth textured, cream wove paper
- Dimensions:
- Sheet: 7 × 10 5/8 inches (17.8 × 27 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Chauncey Brewster Tinker
60. Jedburgh Abbey
- Date:
- 1834
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 8 7/8 × 12 1/2 inches (22.5 × 31.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching and engraving with chine collé; engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1835
- Materials & Techniques:
- Etching on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 6 × 9 inches (15.2 × 22.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving; early engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 12 × 17 3/4 inches (30.5 × 45.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
64. St. Florent
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving with chine collé on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 5/8 inches (28.6 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
65. Blois
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving, with graphite, scraping out, and chine collé; touched engraver's proof (b) on moderately thick, slightly textured, beige wove paper
- Dimensions:
- Sheet: 11 1/4 × 16 inches (28.6 × 40.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
66. Château Hamelin
- Date:
- 1833
- Materials & Techniques:
- Etching and engraving, with graphite and scraping out; touched engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 5 15/16 × 8 15/16 inches (15.1 × 22.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection

- Date:
- 1834
- Materials & Techniques:
- Etching and engraving, with graphite, scraping out, and chine collé; early touched engraver's proof on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 1/8 × 16 5/8 inches (28.3 × 42.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection