1936-08-13 Slav Geographical and Ethnographical Congress, Sofia
- Year: 1936-08-13
- MI numbers: 304-306
- More information: perf. 11 1/2;
- MI catalog quantity / copies: 304-200000, 305-200000, 306-100000
- SC numbers: 301-303
- LC numbers: 325-327
- Country: Bulgaria
Published by:
dido