Early works to 1800 16,138 History 8,019 Early works 7,398 Controversial literature 6,539 Criticism, interpretation, etc 2,433 Biography 2,251 Apologetic works 1,777 Electronic books 1,676 Congresses 1,611 Biographies 1,262 Manuscripts, Arabic 1,172 Conference papers and proceedings 1,030 Sermons 1,020 Sources 967 Commentaries 964 Apologetic writings 942 Texts 884 Catechisms 836 Church history 728 Ouvrages avant 1800 694 Miscellanea 693 Periodicals 654 Prayers and devotions 415 Trivia and miscellanea 411 Creeds 406 Dictionaries 403 Bibliography 395 Introductions 319 Correspondence 314 Papal documents 297 Academic theses 294 Sacred books 266 Popular works 261 Interviews 257 Poetry 250 Printed ephemera 229 Thèses et écrits académiques 225 Comparative studies 221 Festschriften 203 Bibliographies 198 Handbooks, manuals, etc 178 Tracts (literary works) 158 Personal correspondence 149 Juvenile literature 148 Pastoral letters and charges 144 Incunabula 134 Annotations (Provenance) 133 Broadsides 131 Congrès 126 Manuscripts, Turkish 124 Facsimiles 123 dissertations 122 Aufsatzsammlung 121 Academic Dissertation 119 Quotations 119 Records and correspondence 115 Terminology 112 Prayers 111 Ouvrages de controverse 110 Manuscripts, Persian 107 Translations 99 Letters 96 Encyclopedias 95 Meditations 93 Addresses, essays, lectures 92 doctoral dissertations 91 masters theses 91 theses 91 Autobiographies 86 Handbooks and manuals 78 Anecdotes 76 Essays 76 Blind tooled bindings (Binding) 75 Textbooks 74 Trials, litigation, etc 70 Cremation volumes 69 Prayer-books and devotions 69 Outlines, syllabi, etc 68 Catalogs 65 Indexes 64 Juvenile works 64 Software 63 Hymns 62 Doctrines 60 Fiction 60 Documentary films 58 Translations into English 58 Quelle 56 Manuscripts 55 Stamps (Provenance) 55 Miscellanées 54 Rules 54 Sacred works 54 Quotations, maxims, etc 53 Autographs (Provenance) 51 Ouvrages apologétiques 51 Watermarks (Paper) 51 Booksellers' advertisements 50 Publishers' advertisements 50 Devotional literature 49