Catalogs 56,775 Bibliography 15,872 Bibliographies 8,182 History 6,210 Catalogues 2,883 Exhibitions 2,343 catalogs (documents) 2,025 Exhibition catalogs 1,925 Sources 1,457 Periodicals 1,392 Early works to 1800 1,193 Biography 1,118 Imprints 963 Catalog 896 Criticism, interpretation, etc 724 Indexes 708 Biographies 704 Pictorial works 564 Early works 484 Catalogs and collections 481 Facsimiles 437 Directories 419 Catalogues raisonnés 388 Library catalogues 354 Microform catalogs 342 Auction catalogs 327 Archives 325 bibliographies 323 Union lists 271 Portraits 265 Katalog 261 Manuscripts 235 Local history 231 Union catalogs 229 Bibliographie 221 Church history 213 Maps 200 Discography 187 Catalogues raisonnés 185 Advertisements 184 Art 182 In art 178 Guidebooks 173 Auction catalogues 171 Specimens 166 Catalogues raisonnés 161 Dictionaries 160 Illustrated works 149 Thematic catalogs 135 Trade catalogs 133 Genealogy 117 Discographies 112 Designs and plans 110 Electronic books 102 Union lists (Library catalogs) 101 Booksellers' catalogs 99 Collections 98 exhibition catalogs 98 Correspondence 96 Library catalogs 95 Texts 94 Thematic catalogs (Music) 94 Catalogues d'exposition 93 Film catalogs 91 Congresses 88 Conference papers and proceedings 86 Databases 83 catalogues raisonnés 81 Handbooks, manuals, etc 80 Military history 79 Bibliography of bibliographies 76 catalogs 75 Catalogs (form) 74 Exhibition catalogues 74 Handbooks and manuals 74 Abstracts 71 Illustrations 70 Government publications 66 Architectural drawings 64 Bildband 64 Expositions 63 Reviews 63 CD-ROMs 59 Library catalogs (form) 58 Bio-bibliography 57 Annotations (Provenance) 55 Academic theses 52 Records and correspondence 52 bibliography 52 Museumcatalogues (form) 51 Index 50 Verzeichnis 50 Manufacturers' catalogs 49 Museum catalogues 46 Statistics 44 Observations 43 Interviews 42 Rare books 42 Chronology 41 Personal correspondence 41