Book 47 Government Document 8 Conference Proceeding 1

Q - Science 43 R - Medicine 2 F - General American History 1

Smithsonian Institution 9 Cooper, G. Arthur (Gustav Arthur), 1902-2000 6 Goldman, Edward Alphonso, 1873-1946 4 Drucker, Philip, 1911-1982 3 Smith, Hobart M (Hobart Muir), 1912-2013 3 Trueblood, Emily W. Emmart 3 Bartram, Edwin B (Edwin Bunting), 1878-1964 2 Bartsch, Paul, 1871-1960 2 Deichmann, Elisabeth, 1896- 2 Dunkle, David H (David Hosbrook) 2 Easton, William H (William Heyden), 1916-1996 2 Fries, Carl, 1910-1965 2 Hibbard, Claude William, 1905-1973 2 Rose, J. N (Joseph Nelson), 1862-1928 2 Smith, Hobart M, (Hobart Muir), 1912-2013 2 Smith, Hobart Muir, 1912- 2 Sumichrast, Francis E 2 Sumichrast, Francis E., 1828-1882 2 Arsène, G., 1867- 1 Arsène, G., brother, 1867- 1 Baird, Spencer Fullerton, 1823-1887 1 Bartsch, Paul, 1871- 1 Brouard, G. Arsène (Gerfroy Arsène), 1867-1938 1 Chamberlain, Edward B (Edward Blanchard), 1878-1925 1 Chamberlain, Edward Blanchard 1 Clark, Austin H (Austin Hobart), 1880-1954 1 Clark, Austin Hobart, 1880-1954 1 Cruz, Martín de la, active 16th century 1 Dall, William Healey, 1845-1927 1 David E. Pingree Collection (Brown University) 1 see all ...

English 47 French 1

Catalogs 1 Catalogs and collections 1 Early works to 1800 1

Cambrian 3 Permian 3 active 16th century 3 Cenozoic 2 From 230 to 280 million years ago 2 From 500 to 570 million years ago 2 Mississippian 2 From 310 to 345 million years ago 1 From 65 million years ago 1 see all ...