Genre
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- Congresses 15 results
- Bibliography 3 results
- Directories 3 results
- Handbooks, manuals, etc 3 results
- Sources 3 results
- Observers' manuals 2 results
- Abstracts 1 results
- Catalogs 1 results
- Classification 1 results
- Early works to 1800 1 results
- Exhibitions 1 results
- Indexes 1 results
- Maps 1 results
- Obituaries 1 results