History 9,077 Sources 3,315 Electronic books 2,243 Early works to 1800 1,536 Fiction 1,368 Biography 990 Early works 717 Broadsides 714 Biographies 663 Bibliography 389 Genealogy 362 Historical fiction 360 Juvenile literature 358 Records and correspondence 349 Criticism, interpretation, etc 301 Maps 280 Printed ephemera 261 Poetry 238 Church history 233 Bibliographies 202 Diaries 197 Juvenile works 175 Periodicals 175 Military history 168 Account books 161 Drama 159 Correspondence 150 Poems 137 Juvenile fiction 130 Archives 128 Sermons 120 Catalogs 108 Letter books 108 Historians 104 Treaties 104 College presidents 103 Articles 101 Manuscripts for publication 101 Novels 100 Charters 98 Newspapers 83 Ouvrages avant 1800 83 Dictionaries 78 Registers 77 Autobiographies 76 Personal correspondence 74 Psychological fiction 74 Publishers' advertisements 73 Personal narratives 71 Charters and articles of incorporation 70 Pictorial works 69 Congresses 67 Booksellers' advertisements 63 Exhibitions 61 Academic theses 58 Conference papers and proceedings 57 Textbooks 56 Romans 54 Biographical fiction 52 Deeds 50 Internet videos 47 Glossaries, vocabularies, etc 42 Satires 42 Video recordings for the hearing impaired 42 Indexes 41 Portraits 41 Captivity narratives 38 Humor 38 Thèses et écrits académiques 38 Registers (Lists) 37 Songs and music 37 Educational films 36 Exhibition catalogs 35 Feature films 35 Advertisements 34 Invoices 34 Video recordings 34 Publishers' cloth bindings (Binding) 33 Literature 32 Electronic book 31 Family histories 31 Association copies (Provenance) 30 Controversial literature 30 Literary collections 30 Romans, nouvelles, etc 30 Songs 30 Harvard graduates' papers 29 Playbills (Posters) 29 collective biographies 29 Affiches de théâtre 28 Guidebooks 28 Harvard students' papers 28 Pictorial cloth bindings (Binding) 28 Subscribers' lists 28 Tracts (literary works) 28 Trials, litigation, etc 28 playbills 28 Anecdotes 27 Early accounts to 1600 27 Ledgers (account books) 27