History 9,222 Early works to 1800 3,725 Electronic books 3,463 Early works 2,211 Bibliography 2,171 Congresses 2,099 Sources 1,891 Biography 1,787 Maps 1,777 Early accounts to 1600 1,766 Conference papers and proceedings 1,466 Catalogs 1,165 Broadsides 1,084 Biographies 1,031 Periodicals 1,012 Bibliographies 821 Criticism, interpretation, etc 749 Fiction 567 Exhibitions 439 Juvenile literature 429 Television news programs 418 Records and correspondence 409 Poetry 378 Exhibition catalogs 286 Dictionaries 271 Pictorial works 246 Archives 242 Facsimiles 224 Statistics 224 Internet videos 215 Correspondence 210 Military history 178 Juvenile works 174 Classification 168 Ouvrages avant 1800 141 Registers 138 Drama 135 Diaries 127 Congrès 116 Personal correspondence 109 Printed ephemera 104 Early maps 103 Naval history 103 Church history 98 Encyclopedias 95 Digital Maps 93 Early Maps 93 map 93 Congress 92 Poems 91 Autobiographies 89 Directories 89 Literatures 89 Early works to 1600 88 Treaties 88 Academic theses 87 Folklore 87 Music 87 Historical fiction 85 Booksellers' advertisements 83 Songs and music 83 Almanacs 82 Textbooks 77 Genealogy 74 Publishers' advertisements 72 Thèses et écrits académiques 72 Registers (Lists) 71 Chronology 69 Atlases 68 Auction catalogs 66 Festschriften 64 Gazetteers 62 Anecdotes 61 Pre-Linnean works 61 Case studies 59 Illustrated works 59 Portraits 59 Récits avant 1600 59 Advertisements 56 Aufsatzsammlung 56 Engravings 56 Novels 56 Auction catalogues 55 Actes de congrès 54 Annotations (Provenance) 54 Indexes 54 Legends 54 Songs 54 Educational films 53 Essays 53 Periodical 52 Travel literature 51 Juvenile fiction 50 Specimens 50 Maps (documents) 49 Electronic journals 48 Sound recordings 48 Cases 47 Collections 46 Catalogues 44