Genre
- Guidebooks 18 Treffer
- Periodicals 17 Treffer
- Congresses 13 Treffer
- Bibliography 9 Treffer
- Classification 8 Treffer
- Identification 6 Treffer
- Catalogs 3 Treffer
- Handbooks, manuals, etc 3 Treffer
- Biography 2 Treffer
- Atlases 1 Treffer
- Case studies 1 Treffer
- Directories 1 Treffer
- Handbooks, manuals etc 1 Treffer
- Pictorial works 1 Treffer
- Posters 1 Treffer