Darrah, William Culp The world of stereographs William C. Darrah. - Gettysburg, Pa Darrah 1977. - 246 p. ill. (some col.) 29 cm. Includes index. Bibliography: p. 238-242. ISBN: 0913116041 LCCN: 77092123 Subjects--Topical Terms: Photography , Stereoscopic LC Class. No.: TR780 / .D35 Dewey Class. No.: 778.4/09