Early works to 1800 19,833 Sources 3,234 History 2,933 Broadsides 2,751 Biography 2,522 Biographies 2,426 Periodicals 1,397 Poetry 1,138 Criticism, interpretation, etc 812 Controversial literature 619 Electronic books 361 Bibliographies 332 Bibliography 323 Sermons 289 Autobiographies 286 Humor 259 Congresses 256 Conference papers and proceedings 252 Correspondence 252 Fiction 246 Personal correspondence 213 Case studies 201 Catalogs 194 Exhibitions 191 Exhibition catalogs 189 Drama 176 Anecdotes 152 Dictionaries 141 Pamphlets 135 Title pages 131 Périodiques 130 Proclamations 117 Registers 109 Electronic journals 104 Illustrated works 95 Video recordings 93 Handbooks, manuals, etc 90 Periodical 89 Apologetic works 84 Diaries 83 Pictorial works 81 Feature films 75 Portraits 74 Personal narratives 73 Trials, litigation, etc 73 Video recordings for the hearing impaired 73 Maps 65 Church history 64 Interviews 61 Festschriften 59 Military history 59 Naval history 59 Film adaptations 56 collective biographies 56 Prayer-books and devotions 50 Statistics 50 Encyclopedias 42 Genealogy 41 Bio-bibliography 39 Chronology 39 Documentary films 39 Handbooks and manuals 38 Guidebooks 37 autobiographies (literary works) 37 e-books 37 Cases 36 Personal narratives, British 36 Adaptations 35 Academic theses 34 British 33 Directories 33 Art 32 Illustrations 31 Field guides 30 Identification 30 Imprints 30 Literary collections 30 Indexes 29 Cross-cultural studies 27 Literature 27 Pictures 27 periodicals 27 Juvenile literature 25 Treaties 25 dissertations 24 Specimens 23 Novels 22 Autobiography 21 Biographical films 21 Charters, grants, privileges 21 Early works 21 Facsimiles 21 Folklore 21 Addresses 20 Literary criticism 20 Newspapers 20 Texts 20 Family histories 19 Translations into English 19 Charters and articles of incorporation 18