Genre
- Congresses 887 Treffer
- Biography 393 Treffer
- Exhibitions 171 Treffer
- Handbooks, manuals, etc 159 Treffer
- Case studies 129 Treffer
- Early works to 1800 129 Treffer
- Periodicals 103 Treffer
- Scores 86 Treffer
- Juvenile literature 84 Treffer
- Dictionaries 82 Treffer
- Bibliography 81 Treffer
- Drama 68 Treffer
- Fiction 63 Treffer
- Problems, exercises, etc 59 Treffer
- Juvenile fiction 58 Treffer
- Maps 58 Treffer
- Cases 54 Treffer
- Pictorial works 52 Treffer
- Sources 50 Treffer
- Catalogs 46 Treffer
- Encyclopedias 44 Treffer
- Readers 43 Treffer
- Statistics 43 Treffer
- Cross-cultural studies 37 Treffer
- Textbooks 37 Treffer
- Correspondence 35 Treffer
- Identification 34 Treffer
- Textbooks for foreign speakers 31 Treffer
- Translations into English 31 Treffer
- Scores and parts 30 Treffer
- Vocal scores with piano 29 Treffer
- Genealogy 23 Treffer
- Laboratory manuals 23 Treffer
- Facsimiles 22 Treffer
- Folklore 21 Treffer
- Diaries 20 Treffer
- Interviews 20 Treffer
- Classification 19 Treffer
- Excerpts 18 Treffer
- Poetry 17 Treffer
- Musical settings 16 Treffer
- Tables 16 Treffer
- Personal narratives, French 15 Treffer
- Sacred books 15 Treffer
- Commentaries 14 Treffer
- Anecdotes 13 Treffer
- Popular works 13 Treffer
- Miscellanea 12 Treffer
- Directories 11 Treffer
- Examinations, questions, etc 11 Treffer mehr …