Conference papers and proceedings 881 History 859 Congresses 847 Handbooks and manuals 241 Electronic books 240 Handbooks, manuals, etc 201 Guides et manuels 181 handbooks 179 Actes de congrès 177 proceedings (reports) 177 Biographies 136 Biography 130 Case studies 119 Military history 79 Études de cas 42 manuals (instructional materials) 34 Textbooks 33 Dictionaries 32 Criticism, interpretation, etc 25 Dictionnaires 23 dictionaries 23 Electronic book 21 Statistics 21 Naval history 20 Anecdotes 16 Pictorial works 16 Aufsatzsammlung 14 Computer network resources 14 Encyclopedias 14 collective biographies 14 Autobiographies 13 autobiographies (literary works) 13 Problems and exercises 12 Problems, exercises, etc 12 Popular works 11 Atlases 10 Interviews 10 Sources 10 Encyclopédies 9 Festschriften 9 Geographic information systems 9 Systèmes d'information géographique 9 encyclopedias 9 geographic information systems 9 Atlas 8 Problèmes et exercices 8 Scientific atlases 8 Statistiques 8 atlases 8 exercise books 8 Early works 7 Early works to 1800 7 Bibliographies 6 Laboratory manuals 6 Patents 6 Rapports techniques 6 Technical reports 6 Terminology 6 technical reports 6 Bibliography 5 Congressen (vorm) 5 Diaries 5 Field guides 5 Maps 5 Motion pictures 5 Personal narratives 5 Study guides 5 Audiobooks 4 Catalogs 4 Cross-cultural studies 4 Examinations 4 Examinations, questions, etc 4 Guidebooks 4 Guides de l'étudiant 4 Livres audio 4 Llibres electrònics 4 Ouvrages de référence 4 Periodicals 4 Reference works 4 Software 4 Tables 4 examination study guides 4 études diverses 4 interviews 4 Amateurs' manuals 3 Brevets d'invention 3 Chronologies 3 Chronology 3 Classification 3 Essays 3 Films 3 Forecasts 3 Formulae 3 Formulae, receipts, prescriptions 3 Identification 3 Imprints 3 Kongress 3 Manuels de laboratoire 3 Mathematical formulae 3 Officers' handbooks 3