1
Published in Geschichte Schlesiens (1988)
Book
2
by Petry, Ludwig
Published in Schlesien (1972)
Article
3
by Petry, Ludwig
Published in Schlesien (1966)
Article
4
by Petry, Ludwig
Published in Schlesien (1981)
Article
5
7
by Petry, Ludwig
Published 1961
Book
9
by Petry, Ludwig
Published in Schlesien (1961)
Article
10
Article
11
Published in Geschichte Schlesiens (1988)
Book
12
Book
13
Book
14
by Petry, Ludwig
Published 1938
Book
15
by Petry, Ludwig
Published 1941
Book
16
by Rösler, Hellmuth
Published 1963
Book
17
Published 1988
Book
18
Article
19
by Petry, Ludwig
Published 1935
Book
20
by Petry, Ludwig
Published 1973
Book