5
Published 1889
Serial
7
Published 1998
Book
8
Published 1937
Book
9
Published 1991
Book
12
Published 2002
Serial
13
by Völkel, Paul, 1931-1997
Published 2005
Book
15
Published 1955
Serial
16
17
by Pantić, Nikola K., 1927-2002
Published 2001
Book
18
Published 1935
Book
19
Published 1913
Map
20
Published 1914
Map