The Joseph Leidy Commemorative Meeting Academy of Natural Sciences of Philadelphia Published: 1923 Total Pages: 104 Get eBook
The Joseph Leidy Commemorative Meeting, Held in Philadelphia, December 6, 1923 Joseph Leidy Published: 2013-05 Total Pages: 96 Get eBook
The Joseph Leidy Commemorative Meeting Academy of Natural Sciences of Philadelphia Published: 1923 Total Pages: 104 Get eBook
Proceedings of the Academy of Natural Sciences of Philadelphia Academy of Natural Sciences of Philadelphia Published: 1926 Total Pages: 1246 Get eBook
Bulletin of the United States Geological Survey Geological Survey (U.S.) Published: 1949 Total Pages: 1020 Get eBook
Biographical Memoirs: A.Agassiz, J.Barrell, C.E.Beecher, L.Boss, W.H.Brewer, N.L.Britton, W.K.Brooks, T.C.Chamberlin, W.B.Clark, F.W.Clark, J.M.Clarke, E.D.Cope, J.M.Coulter, J.M.Crafts National Academy of Sciences (U.S.) Published: 1912 Total Pages: 830 Get eBook
Contributions to Economic Geology (short Papers and Preliminary Reports, 1925 Gerald Francis Loughlin Published: 1926 Total Pages: 1032 Get eBook
