7
Article
9
by Beckwith, Roger T.
Published 2005
Book
10
by Polak, I. F.
Published 1951
Book
11
Published 2003
Book
12
Published 2001
Video
13
Book
15
by Borst, Arno, 1925-2007
Published 2004
Book
16
Book
17
by Franke, Herbert, 1914-2011
Published 1964
Book
19
by Bosáková, Zdenka, 1980-
Published 2015
Book
20
by Przybyllok, Erich
Published 1930
Book