Book 2,795 Government Document 329 Serial 120 Thesis 106 Book Chapter 96 Conference Proceeding 72 Journal 51 Electronic 28 Unknown 27 Map 21 Reference Material 4 Kit 2 Audio 1 Manuscript 1 see all ...

New York State Museum 106 Geological Survey (U.S.) 84 American Museum of Natural History 73 Clarke, John Mason, 1857-1925 47 New York State Geological Survey 46 Newland, D. H (David Hale), 1872-1943 40 University of the State of New York 37 Ruedemann, Rudolf, 1864-1956 35 Felt, Ephraim Porter, 1868-1943 34 Hall, James, 1811-1898 32 New York Academy of Sciences 30 New York State Museum and Science Service 28 Beauchamp, W. M (William Martin), 1830-1925 27 Mitchell, Richard S., 1938- 25 New York (State) Department of Environmental Conservation 25 Fairchild, Herman L (Herman Le Roy), 1850-1943 23 New York (State) Natural History Survey 23 New York State Geological Association Meeting 23 Peck, Charles H (Charles Horton), 1833-1917 23 Luther, D. D (Daniel Dana), 1840-1923 21 Miller, William J (William John), 1880-1965 21 House, Homer D (Homer Doliver), 1878-1949 20 New York (State) State Entomologist 20 New England Intercollegiate Geological Conference Meeting 19 Hartnagel, C. A (Chris Andrew), 1874- 18 International Geological Congress 17 Fisher, Donald W 16 Goldring, Winifred, 1888-1971 16 Cushing, Henry Platt, 1860- 15 Lyceum of Natural History (New York, N.Y.) 15 see all ...

English 3,105 French 10 Japanese 4 Spanish 3 German 2 Greek 2 Multiple 2 Romanian 1 Russian 1 Undetermined 1 see all ...

Guidebooks 215 Periodicals 137 Catalogs 113 Catalogs and collections 102 Identification 88 History 81 Pictorial works 70 Biography 61 Congresses 60 Classification 59 Conference papers and proceedings 57 Maps 50 Field guides 43 Publishers' advertisements 39 Biographies 38 Electronic books 37 Juvenile literature 31 Printed ephemera 31 Statistics 28 Bibliography 25 Juvenile works 22 Academic theses 21 Publishers' cloth bindings (Binding) 18 Bibliographies 17 Thèses et écrits académiques 17 Outdoor books 16 Anecdotes 15 Advertisements 13 Charts, diagrams, etc 13 Exhibitions 13 see all ...

Devonian 134 From 345 to 405 million years ago 65 Ordovician 51 19th century 49 Silurian 49 Cambrian 31 Pleistocene 29 From 425 to 500 million years ago 26 From 405 to 425 million years ago 20 Paleozoic 20 Precambrian 20 From 10 thousand to 2 million years ago 18 20th century 16 Cretaceous 14 1785-1851 12 From 500 to 570 million years ago 12 From 230 to 570 million years ago 10 From 345 to 425 million years ago 10 Quaternary 10 1827-1891 8 From 570 million to 5 billion years ago 8 From 65 to 140 million years ago 7 From 2 million years ago 6 Holocene 6 1800 - 1899 5 1800-1899 5 1940- 5 From 425 to 570 million years ago 5 1776-1842 4 1849-1931 4 see all ...