Genre
- Biography 34 Treffer
- Bibliography 17 Treffer
- Periodicals 11 Treffer
- Juvenile literature 10 Treffer
- Interviews 7 Treffer
- Catalogs 4 Treffer
- Congresses 4 Treffer
- Early works to 1800 3 Treffer
- Sources 3 Treffer
- Bio-bibliography 2 Treffer
- Correspondence 2 Treffer
- Exhibitions 2 Treffer
- Music 2 Treffer
- Union lists 2 Treffer
- Anecdotes 1 Treffer
- Archives 1 Treffer
- Bibliography of bibliographies 1 Treffer
- Book reviews 1 Treffer
- Criticism and interpretation 1 Treffer
- Dictionaries 1 Treffer
- Elementary works 1 Treffer
- Facsimiles 1 Treffer
- Folklore 1 Treffer
- Genealogy 1 Treffer
- Indexes 1 Treffer
- Juvenile 1 Treffer
- Music collections 1 Treffer
- Portraits 1 Treffer
- Reviews 1 Treffer
- Songs and music 1 Treffer
- Texts 1 Treffer