Conference papers and proceedings 192,473 Congresses 170,949 Congress 19,111 History 12,715 Criticism, interpretation, etc 7,025 congresses 3,495 Actes de congrès 3,140 Congrès 2,561 Electronic books 1,866 Kongress 1,860 Festschriften 1,626 Periodicals 1,192 Congrès 1,074 Congresses (form) 958 Biography 785 Konferenzschrift 654 Biographies 611 Conference papers and proceedings 576 Church history 550 Bibliography 546 proceedings (reports) 528 Aufsatzsammlung 508 Conference proceedings 440 Sources 349 Abstracts 327 Bibliographies 258 Case studies 229 Dictionaries 208 Actes de congrès 203 Exhibitions 198 Statistics 185 Indexes 176 Kongreß 166 Early works to 1800 158 Directories 153 Exhibition catalogs 133 Catalogs 129 Periodical 121 Classification 117 Government publications 115 Electronic book 113 reference 110 referencia 110 référence bibliographique 109 Guidebooks 102 graph 102 graphique 102 gráfico 102 Military history 91 bibliography 91 conference paper 90 documento de conferencia 90 document de conférence 88 Local history 87 bibliographie 87 bibliografía 86 informe de reunión 86 proceedings 86 rapport de réunion 86 Fiction 83 Technical reports 80 Congressen (vorm) 78 Legislation 74 Cross-cultural studies 72 Forecasts 64 Observations 62 Facsimiles 59 Handbooks, manuals, etc 57 Proceedings 57 Essays 56 [Actes de congrès] 56 Pictorial works 55 Cases 52 Terminology 52 Folklore 47 Interviews 46 History (form) 43 Naval history 42 list of participants 42 lista de participantes 42 liste de participants 42 Insertions (Provenance) 41 Databases 40 Handbooks and manuals 40 publications 40 CD-ROMs 38 Maps 37 Comparative studies 36 Directory 33 Music 33 Correspondence 32 Inscriptions (Provenance) 30 Videotapes 30 Art 29 Electronic journals 29 Périodiques 29 Video recordings 29 Annotations (Provenance) 28 Essay 28 Nomenclature 28