Book 27,494 Government Document 1,730 Serial 440 Journal 439 Conference Proceeding 421 Map 218 Reference Material 215 Photo 189 Electronic 185 Thesis 176 Unknown 172 Book Chapter 89 Kit 77 Manuscript 47 Physical Object 7 Audio 2 Musical Score 1 Newspaper 1 see all ...

N - Fine Arts 8,060 F - General American History 6,387 D - World History 5,383 T - Technology 907 E - United States History 655 H - Social Science 421 K - Law 334 G - Geography, Anthropology, Recreation 279 C - Historical Sciences 206 P - Language and Literature 192 Z - Library Science 155 A - General Works 144 B - Philosophy, Psychology, Religion 119 S - Agriculture 85 L - Education 72 U - Military Science 66 M - Music 55 J - Political Science 33 Q - Science 30 V - Naval Science 28 R - Medicine 27 see all ...

United States National Park Service 471 New York (N.Y.) Landmarks Preservation Commission 379 Historic American Buildings Survey 275 National Trust for Historic Preservation in the United States 231 United States National Park Service. Preservation Assistance Division 184 English Heritage 118 National Trust (Great Britain) 116 United States Advisory Council on Historic Preservation 101 Welsh, Frank S 99 Rhode Island Historical Preservation Commission 91 Royal Commission on Historical Monuments (England) 90 Pevsner, Nikolaus, 1902-1983 87 Historic Structures Reports Collection (Athenaeum of Philadelphia) 86 Historic American Buildings Survey/Historic American Engineering Record 67 United States National Park Service. Technical Preservation Services Branch 61 Gotham Book Mart Collection (University of Pennsylvania) 59 National Register of Historic Places 56 George Clapp Vaillant Book Fund 53 United States Office of Archeology and Historic Preservation 49 Pevsner, Nikolaus, Sir, 1902- 47 United States National Park Service. Southeast Regional Office. Cultural Resources Division 45 United States Congress. Senate. Committee on Energy and Natural Resources 43 Landesamt für Denkmalpflege Hessen 42 New Zealand Historic Places Trust 42 United States National Park Service. Denver Service Center 42 Unesco 39 United States Department of the Interior 39 United States National Park Service. Technical Preservation Services Division 39 Colonial Williamsburg, Incorporated 38 Library of Congress 38 see all ...

English 20,041 German 1,960 Italian 1,516 French 1,484 Spanish 1,090 Russian 909 Chinese 883 Korean 326 Portuguese 300 Dutch 278 Polish 250 Arabic 196 Czech 154 Turkish 143 Japanese 136 Indonesian 124 Persian 124 Ukrainian 106 Swedish 75 Hebrew 68 Hungarian 68 Romanian 56 Danish 55 Catalan 50 Greek 50 Croatian 38 Slovak 38 Urdu 34 Multiple 32 Norwegian 32 see all ...

History 6,137 Pictorial works 4,728 Guidebooks 2,066 Illustrated works 1,833 Biography 1,654 Biographies 1,338 Congresses 697 Local history 668 Periodicals 648 Conference papers and proceedings 450 Catalogs 371 Exhibitions 318 Maps 283 Designs and plans 280 Tours 249 Ouvrages illustrés 248 Electronic books 235 Bibliography 220 Directories 219 Exhibition catalogs 205 Viewbooks 202 Architectural drawings 177 Photomechanical prints 170 illustrated books 152 Genealogy 129 Handbooks, manuals, etc 127 Case studies 111 Guides touristiques 98 travel guidebooks 98 Bibliographies 88 see all ...

20th century 875 19th century 613 1900-1999 267 18th century 165 1800-1899 121 21st century 102 1900 - 1999 96 Colonial period, ca. 1600-1775 94 1867-1959 81 1800-1999 74 17th century 64 Revolution, 1775-1783 63 20e siècle 57 Geschichte 52 19e siècle 43 16th century 41 1800 - 1899 41 1809-1865 39 1732-1799 37 To 1500 37 1800 - 1999 34 2000-2099 33 1700-1799 26 To 1775 26 To 1900 24 1600-1775 22 1951- 19 1775-1783 18 1939-1945 18 1945- 18 see all ...

United States 2,369 New York (State) 1,697 England 1,660 Italy 1,486 Pennsylvania 1,323 Germany 1,283 France 990 New York 983 China 850 Massachusetts 811 Great Britain 757 Russia (Federation) 733 New York (N.Y.) 717 Philadelphia 688 Virginia 675 California 608 New Jersey 405 London 381 Spain 367 Scotland 359 Illinois 341 Maryland 341 Australia 340 Paris 309 Korea (South) 307 North Carolina 299 Rhode Island 295 Philadelphia (Pa.) 278 Mexico 275 London (England) 274 see all ...