Hits 1-6 within 6 documents
Hits 1-6 within 6 documents
Author(s): Hoffmann, A..- 1974. 44p.
Author(s): Bathke, Gustav-Wilhelm.- 1985. 23p.
Author(s): Kasek, Leonhard.- 1985. 14p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1974. 111p.
Author(s): Bathke, Gustav-Wilhelm.- 1986. 121p.
Author(s): Lange, Günter.- 1984. 93p.