History 228 Electronic books 120 Early works to 1800 119 Bibliography 100 Bibliographies 98 Conference papers and proceedings 95 Congresses 91 Early accounts to 1600 91 Sources 84 Periodicals 82 Biography 80 Biographies 75 Catalogs 41 Criticism, interpretation, etc 33 Maps 28 Exhibition catalogs 26 Exhibitions 26 Encyclopedias 17 Literatures 15 Rare books 15 Statistics 14 Autobiographies 13 Early works 13 Fiction 12 Drama 11 Illustrated works 11 Périodiques 10 Pictorial works 10 Video recordings 10 Electronic journals 9 Broadsides 8 Case studies 8 Folklore 8 Poetry 8 Dictionaries 7 Cross-cultural studies 6 Correspondence 5 Early maps 5 Electronic book 5 Festschriften 5 Juvenile literature 5 Music 5 Church history 4 Directories 4 Family histories 4 Feature films 4 Genealogy 4 Periodical 4 Personal correspondence 4 Pre-Linnean works 4 Treaties 4 Union catalogs 4 Video recordings for the hearing impaired 4 Art 3 Census data 3 Chronology 3 Classification 3 Diaries 3 Documentary television programs 3 Essays 3 Facsimiles 3 Gazetteers 3 In art 3 Portraits 3 Sound recordings 3 Union lists 3 proceedings (reports) 3 Academic theses 2 Anecdotes 2 Aufsatzsammlung 2 Bibliography of bibliographies 2 Census, 1960 2 Charters and articles of incorporation 2 Charters, grants, privileges 2 Chronologies 2 Collections 2 Constitutions 2 Documentary films 2 Fulltext 2 Government Publications, International 2 Guidebooks 2 Historical television programs 2 History (form) 2 Imprints 2 Indexes 2 Informational works 2 Internet Resources 2 Literary criticism 2 Magic realist fiction 2 Maps, Pictorial 2 Military history 2 Registers 2 Registers (Lists) 2 Sagas 2 Translations into English 2 dissertations 2 e-books 2 periodicals 2 Abstracts 1 Anthologie 1