Narodna republika Bălgarija, Šesto narodno săbranie :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
[s.n.],
1973
Sofija : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/01E82C56-6483-43A4-9430-8AE33D9F19AE |