2
Published 1978
Book
3
Book
4
Book
5
by Stratiev, Stanislav, 1941-
Published 1979
Book
6
Book
7
by Pavlov, Nikolaj
Published 1975
Book
8
by Rajnov, Bogomil, 1919-
Published 1967
Book
18
Book
19
by Dimov, Georgi, 1918-1994
Published 1968
Book