Colored plate books and their values; sporting books, works on natural history, travels, etc., that are illustrated with colored plates. Selected from recent English and American catalogues of reliable dealers in rare books with prices of each lot. To which is added the remarkable library of colored plate books collected by the late William C. Dulles of Philadelphia, sold at auction Dec. 10-12, 1912, by the Anderson auction co. of New York, with their prices. A guide for librarians, collectors and booksellers. Edited by Francis P. Harper.