1. The Joseph Leidy Commemorative Meeting: held in Philadelphia, December 6, 1923 Author(s): Joseph Leidy Commemorative Meeting (1923 : Philadelphia, Pa.), author. Publication: [Philadelphia, Pa.?] : [Joseph Leidy Commemorative Committee?], [1923] Subject(s): Natural Science DisciplinesAnniversaries and Special EventsLeidy, Joseph, 1823-1891.
