Book 11,323 Map 2,423 Serial 1,521 Government Document 1,474 Electronic 1,224 Journal 598 Unknown 525 Newspaper 352 Kit 288 Reference Material 276 Photo 173 Thesis 129 Manuscript 99 Conference Proceeding 92 Book Chapter 43 Musical Score 31 Audio 23 Article 3 Physical Object 2 see all ...

F - General American History 2,127 G - Geography, Anthropology, Recreation 1,582 H - Social Science 1,291 P - Language and Literature 939 E - United States History 840 K - Law 834 Z - Library Science 576 M - Music 470 N - Fine Arts 462 B - Philosophy, Psychology, Religion 347 A - General Works 284 R - Medicine 265 C - Historical Sciences 231 Q - Science 222 T - Technology 217 L - Education 210 S - Agriculture 174 J - Political Science 165 D - World History 50 V - Naval Science 29 U - Military Science 20 see all ...

Geological Survey (U.S.) 896 Maryland Geological Survey 366 Maryland 304 United States Bureau of the Census 229 Maryland Historical Society 155 Maryland General Assembly 139 Harris Collection of American Poetry and Plays (Brown University) Broadsides 127 United States Congress 123 Rand McNally and Company 119 United States 114 Federal Financial Institutions Examination Council (U.S.) 99 American Automobile Association 97 Maryland Agricultural Experiment Station 92 ADC (Firm) 89 Douglass, Frederick, 1818-1895 86 Simon, David, 1960- 85 Baltimore Museum of Art 84 Tyler, Anne 70 United States Soil Conservation Service 70 United States Bureau of Labor Statistics 69 Adam Matthew Digital (Firm) 68 Sharp, John, 1754-1840 64 United States National Park Service 64 Maryland Court of Appeals 63 Maryland General Assembly. House of Delegates 63 Walters Art Gallery (Baltimore, Md.) 62 Maryland Department of Geology, Mines, and Water Resources 59 National Archives (Great Britain) 58 Baltimore (Md.) 56 General Drafting Company 55 see all ...

English 16,840 German 266 No linguistic content 152 French 124 Latin 75 Spanish 69 Undetermined 24 Hebrew 20 Italian 10 Swedish 8 Chinese 7 Japanese 7 Dutch 6 Arabic 5 Korean 5 Polish 5 Portuguese 5 Danish 2 Filipino 2 Finnish 2 Greek 2 Lithuanian 2 Russian 2 Ancient Greek 1 Catalan 1 Croatian 1 Czech 1 Estonian 1 Haitian 1 Hungarian 1 see all ...

19th century 769 Civil War, 1861-1865 604 Colonial period, ca. 1600-1775 585 18th century 495 20th century 415 1861-1865 260 1600-1775 249 Revolution, 1775-1783 224 1775-1865 210 1800-1899 189 To 1775 140 1900-1999 129 1775-1783 117 1861 - 1865 116 1700-1799 105 War of 1812 105 Early works to 1800 102 1818-1895 95 1700 - 1799 91 1600 - 1775 89 17th century 87 1800 - 1899 70 1717-1779 64 Civil War, 18611865 60 1819 58 1564-1616 54 1775 - 1783 54 1862 53 1934 52 1800 50 see all ...