1.
2.
Roma [Italy] : Biblioteca Nazionale Centrale di Roma, 1979.
Italian | 13 IT |
3.
4.
Munich : Hanns-Seidel-stiftung, 1978.
English | R 63 FRE |
5.
6.
Berlin : Colloquium Verlag, 1964.
German | R 63 THI.P |
7.
8.
Müchen [Germany] : Verlag Dokumentation, 1976.
German | 5 DE |