History 86,843 Biography 38,668 Exhibitions 24,539 Biographies 22,001 Congresses 20,451 Catalogs 19,040 Early works to 1800 15,966 Exhibition catalogs 15,208 Criticism, interpretation, etc 14,269 Conference papers and proceedings 14,200 Sources 12,620 Pictorial works 8,405 Fiction 8,209 Periodicals 7,317 Drama 6,878 Bibliography 6,627 Guidebooks 6,286 Electronic books 5,779 Early works 5,504 Maps 5,446 Correspondence 5,317 Church history 4,490 Art 4,146 Librettos 3,755 Photographs 3,671 Operas 3,510 Poetry 3,394 Interviews 3,254 Bibliographies 3,233 Dictionaries 3,068 Feature films 3,004 Personal narratives 2,722 Incunabula 2,598 Personal correspondence 2,544 Personal narratives, Italian 2,474 In art 2,335 Records and correspondence 2,213 Photographic prints 2,177 Designs and plans 2,156 Diaries 2,138 Photomechanical prints 2,132 Expositions 1,885 Statistics 1,854 Texts 1,702 Military history 1,665 Autobiographies 1,650 Congrès 1,644 Clippings 1,626 Italian 1,624 Case studies 1,591 Rappresentazioni 1,577 DVD-Video discs 1,501 Portraits 1,427 Fiction films 1,420 Academic theses 1,373 Novels 1,314 Illustrated works 1,308 Manuscripts, Medieval 1,281 Catalogues 1,226 Video recordings 1,212 Facsimiles 1,183 Video recordings for the hearing impaired 1,131 Sound recordings 1,102 Specimens 1,092 Thèses et écrits académiques 1,071 Architectural drawings 969 Festschriften 951 exhibition catalogs 885 Aufsatzsammlung 875 Catalogues d'exposition 874 Manuscripts, Renaissance 872 Romans, nouvelles, etc 840 Imprints 799 Documentary films 778 Annotations (Provenance) 767 Scores 754 Romans 749 Statutes and codes 749 Archives 748 Historical fiction 748 Engravings 745 Manuscripts 738 Trials, litigation, etc 731 Film adaptations 728 Directories 710 Illustrations 698 catalogs (documents) 669 Genealogy 665 Printers' devices (Printing) 661 Comedy films 646 Translations 635 Comedies 608 Later Italian 608 Print 604 Actes de congrès 593 Streaming audio 589 Manuscripts, Italian 580 dissertations 573 Poems 572 Bio-bibliography 561