1
Published in Eastern Germany (1960)
Book
2
Book
3
Published in Eastern Germany (1963)
Book
4
Published in Eastern Germany (1961)
Book
5
by Warner, F.
Published 1931
Book
6
Article
7
Published 2010
Book
8
by Eddie, Scott M.
Published 2008
Book
10
by Bessel, Richard
Published 1984
Book
11
by Swart, Friedrich
Published in Eastern Germany (1963)
Article
12
13
by Ludat, Herbert
Published in Eastern Germany, Bd.2 (1963)
Article