History 6,778 Biography 3,273 Academic theses 3,236 Congresses 2,677 Thèses et écrits académiques 2,590 Periodicals 2,201 Conference papers and proceedings 2,131 Biographies 1,958 Exhibitions 1,377 dissertations 1,265 Academic Dissertation 1,262 doctoral dissertations 1,232 masters theses 1,232 theses 1,232 Hochschulschrift 1,206 Statistics 1,071 Catalogs 1,027 Exhibition catalogs 934 Bibliography 932 Sources 854 Criticism, interpretation, etc 736 Electronic books 672 Case studies 575 Dictionaries 534 Directories 463 Bibliographies 457 Maps 403 Aufsatzsammlung 366 Church history 337 Interviews 280 Drama 273 Pictorial works 273 Autobiographies 245 Feature films 217 Statutes and codes 211 Trials, litigation, etc 205 Festschriften 200 Guidebooks 189 Fiction 188 Correspondence 180 Kongress 148 Treaties 142 Handbooks, manuals, etc 140 Konferenzschrift 119 Protest literature 115 Genealogy 110 Handbooks and manuals 110 Cases 109 Indexes 106 Personal narratives 106 Designs and plans 104 Records and correspondence 104 Video recordings 104 bibliography 98 bibliografía 97 bibliographie 97 Fiction films 96 Dissertations 92 Personal correspondence 89 Quelle 85 DVD-Video discs 81 Legislation 81 reference 81 referencia 81 référence bibliographique 81 Kommentar 79 Outlines and syllabi 74 Documentary films 73 Examinations 71 Congrès 70 Diaries 67 Claims 66 Art 61 Congress 61 Examinations, questions, etc 61 Biographie 60 Law commentaries 59 Architectural drawings 58 Imprints 57 Union lists 56 Early works to 1800 55 Film adaptations 55 Bildband 54 Local history 54 Outlines, syllabi, etc 54 Terminology 54 Military history 53 Chronology 50 Humor 50 Literary collections 50 Longitudinal studies 50 Rules 50 Electronic book 47 Biografie 45 Festschrift 45 Thèses et écrits académiques 45 Archives 43 Blank forms 43 Union catalogs 43 Early works 42