Hits 1-9 within 9 documents
Hits 1-9 within 9 documents
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 82p.
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.
Author(s): Bisky, Lothar; Dorn, H.; Stiehler, Hans-Jörg.- 1976. 45p.
Author(s): Stiehler, Hans-Jörg.- 1977. 21p.
Author(s): Richter, W.; Schumann, Lothar.- 1972. 45p.
Author(s): Schumann, Lothar; Wiedemann, Dieter.- 1970. 52p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1977. 62p.