Boušek, Karel > Havel, Václav
- Document's type: Correspondence
- Author: Karel Boušek (Author)
- Date of origin: 28. 09. 1972
- Record's ID: 51321
The Increased Difficulty of Concentration
- Document's type: Poster
- Author: Josef Stejskal (Graphic designer)
- Date of origin: nedat., [1972-1992]
- Record's ID: 56094
Blackwell, Věra > Havel, Václav
- Document's type: Correspondence
- Author: Věra Blackwell (Author)
- Date of origin: 13. 09. 1972
- Record's ID: 51320