Book 25,069 Government Document 5,201 Map 3,194 Serial 2,450 Journal 1,183 Electronic 929 Thesis 655 Unknown 513 Newspaper 313 Kit 284 Reference Material 189 Conference Proceeding 172 Photo 83 Audio 68 Book Chapter 63 Manuscript 38 Musical Score 30 Article 3 Physical Object 1 see all ...

H - Social Science 3,804 G - Geography, Anthropology, Recreation 2,402 F - General American History 2,388 K - Law 1,877 P - Language and Literature 1,566 L - Education 1,556 Q - Science 1,065 N - Fine Arts 965 T - Technology 906 S - Agriculture 787 E - United States History 771 J - Political Science 600 C - Historical Sciences 554 M - Music 392 B - Philosophy, Psychology, Religion 339 Z - Library Science 314 R - Medicine 312 A - General Works 204 D - World History 118 U - Military Science 99 V - Naval Science 25 see all ...

Geological Survey (U.S.) 1,274 United States Congress 930 Michigan 742 United States Bureau of the Census 421 Michigan Geological Survey Division 354 Michigan Department of State 325 United States Congress. House. Committee on Rivers and Harbors 268 Harris Collection of American Poetry and Plays (Brown University) Broadsides 242 Michigan State University Agricultural Experiment Station 238 United States Forest Service 237 United States Congress. House 232 United States Soil Conservation Service 231 United States National Park Service 210 United States War Department 202 North Central Forest Experiment Station (Saint Paul, Minn.) 196 Federal Financial Institutions Examination Council (U.S.) 190 Michigan State Highway Department 176 Michigan Supreme Court 174 Detroit Institute of Arts 171 Michigan Law Revision Commission 165 United States Congress. Senate. Committee on Commerce 151 Inter-university Consortium for Political and Social Research 135 Michigan Geological Survey 134 Rand McNally and Company 131 United States Bureau of Labor Statistics 128 United States 123 Michigan Legislature. Senate 122 Michigan Department of Conservation 117 Michigan State Board of Health 117 ebrary, Inc 110 see all ...

English 32,964 French 129 German 89 Undetermined 85 Spanish 81 No linguistic content 52 Ukrainian 39 Dutch 33 Hebrew 32 Polish 32 Ancient Greek 22 Italian 21 Arabic 20 Yiddish 20 Chinese 11 Czech 11 Greek 11 Japanese 10 Russian 10 Korean 9 Ojibwa 9 Finnish 8 Latvian 8 Slovak 6 Armenian 5 Danish 5 Hungarian 5 Portuguese 5 Latin 4 Lithuanian 4 see all ...

Maps 3,288 Periodicals 2,345 History 2,322 Electronic books 1,195 Statistics 1,117 Biography 1,034 Fiction 960 Catalogs 804 Pictorial works 685 Biographies 585 Trade catalogs 447 Manufacturers' catalogs 442 Broadsides 358 Topographic maps 309 Newspapers 294 Exhibitions 252 Illustrated works 239 Bibliography 223 Poetry 217 Directories 206 Case studies 202 Guidebooks 194 Road maps 186 Congresses 174 Exhibition catalogs 171 Trials, litigation, etc 164 Mystery fiction 159 Sources 150 Documentary films 149 Charters 142 see all ...

20th century 1,259 19th century 419 Civil War, 1861-1865 362 1900-1999 312 21st century 163 Devonian 132 1900 - 1999 131 1800-1899 107 1861-1865 96 War of 1812 93 1837-1950 80 2000-2099 79 To 1837 67 1861 - 1865 64 1863-1947 63 1951- 58 Precambrian 53 1789-1869 50 1800 - 1899 45 20e siècle 43 1970 40 Proterozoic 40 From 570 million to 5 billion years ago 39 Since 1951 39 From 345 to 405 million years ago 38 Pleistocene 35 18th century 34 1973 34 Archaean 32 1753-1825 31 see all ...