Proceedings of the XVth [fifteenth] World Congress of Philosophy : 17th to 22nd september 1973, Varna (Bulgaria)
| Awdur Corfforaethol: | |
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| Fformat: | Trafodyn Cynhadledd |
| Iaith: | German |
| Cyhoeddwyd: |
Sofia :
Sofia Pr.,
1973-1975
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| Disgrifiad o'r Eitem: | Beiträge in engl., dt., russ., franz. |
|---|---|
| Rhif Galw: | PH 8 */Pro |