History 9,223 Early works to 1800 3,665 Electronic books 2,936 Early works 2,214 Bibliography 2,160 Congresses 2,104 Sources 1,890 Biography 1,784 Maps 1,775 Early accounts to 1600 1,737 Conference papers and proceedings 1,469 Catalogs 1,154 Broadsides 1,084 Biographies 1,033 Periodicals 1,011 Bibliographies 822 Criticism, interpretation, etc 749 Fiction 567 Exhibitions 441 Juvenile literature 426 Television news programs 418 Records and correspondence 409 Poetry 372 Exhibition catalogs 287 Dictionaries 268 Pictorial works 246 Archives 243 Facsimiles 225 Statistics 224 Internet videos 215 Correspondence 210 Military history 178 Juvenile works 175 Classification 168 Ouvrages avant 1800 149 Registers 138 Drama 136 Diaries 127 Congrès 120 Personal correspondence 109 Early maps 104 Printed ephemera 104 Naval history 103 Church history 98 Encyclopedias 96 Digital Maps 93 Early Maps 93 map 93 Congress 92 Poems 91 Autobiographies 89 Directories 89 Early works to 1600 88 Literatures 88 Treaties 88 Academic theses 87 Folklore 87 Music 87 Historical fiction 86 Songs and music 83 Almanacs 82 Booksellers' advertisements 82 Textbooks 77 Genealogy 74 Thèses et écrits académiques 73 Publishers' advertisements 72 Registers (Lists) 71 Atlases 67 Chronology 67 Auction catalogs 66 Festschriften 64 Récits avant 1600 63 Anecdotes 60 Gazetteers 60 Pre-Linnean works 60 Case studies 59 Illustrated works 59 Portraits 59 Novels 57 Advertisements 56 Aufsatzsammlung 56 Engravings 56 Auction catalogues 55 Annotations (Provenance) 54 Indexes 54 Legends 54 Songs 54 Actes de congrès 53 Educational films 53 Essays 53 Periodical 51 Travel literature 51 Juvenile fiction 50 Specimens 50 Maps (documents) 49 Electronic journals 48 Sound recordings 48 Cases 47 Collections 46 Guidebooks 44