Nikolai Kovarsky: Screenplay (Writing)1971-04-12

Nikolai Kovarsky: Writer (Writing)1958-09-08

Nikolai Kovarsky: Writer (Writing)1956-01-01

Nikolai Kovarsky: Screenplay (Writing)1962-01-06

Nikolai Kovarsky: Writer (Writing)1967-04-29

Nikolai Kovarsky: Writer (Writing)1959-04-07