History 86,627 Biography 38,641 Exhibitions 24,525 Biographies 21,951 Congresses 20,425 Catalogs 19,027 Early works to 1800 15,957 Exhibition catalogs 15,186 Criticism, interpretation, etc 14,261 Conference papers and proceedings 14,157 Sources 12,611 Pictorial works 8,391 Fiction 8,196 Periodicals 7,315 Drama 6,843 Bibliography 6,620 Guidebooks 6,277 Electronic books 5,810 Early works 5,496 Maps 5,447 Correspondence 5,310 Church history 4,452 Art 4,146 Librettos 3,755 Photographs 3,667 Operas 3,510 Poetry 3,390 Interviews 3,250 Bibliographies 3,223 Dictionaries 3,066 Feature films 2,974 Personal narratives 2,722 Incunabula 2,598 Personal correspondence 2,537 Personal narratives, Italian 2,471 In art 2,337 Records and correspondence 2,212 Photographic prints 2,177 Designs and plans 2,156 Photomechanical prints 2,132 Diaries 2,107 Expositions 1,857 Statistics 1,852 Texts 1,699 Military history 1,655 Autobiographies 1,649 Clippings 1,626 Italian 1,624 Congrès 1,593 Case studies 1,591 Rappresentazioni 1,577 DVD-Video discs 1,490 Portraits 1,423 Fiction films 1,393 Academic theses 1,369 Illustrated works 1,307 Novels 1,302 Manuscripts, Medieval 1,281 Catalogues 1,213 Video recordings 1,205 Facsimiles 1,182 Video recordings for the hearing impaired 1,113 Sound recordings 1,102 Specimens 1,087 Thèses et écrits académiques 1,068 Architectural drawings 967 Festschriften 949 exhibition catalogs 885 Aufsatzsammlung 883 Catalogues d'exposition 874 Manuscripts, Renaissance 872 Romans, nouvelles, etc 812 Imprints 799 Documentary films 775 Annotations (Provenance) 767 Romans 759 Scores 754 Historical fiction 749 Statutes and codes 749 Archives 747 Engravings 745 Manuscripts 734 Trials, litigation, etc 731 Film adaptations 721 Directories 710 Illustrations 698 catalogs (documents) 670 Genealogy 664 Printers' devices (Printing) 661 Translations 640 Comedy films 638 Comedies 611 Later Italian 608 Print 604 Actes de congrès 597 Streaming audio 589 Manuscripts, Italian 580 Poems 572 dissertations 570 Bio-bibliography 561