Edin zhivot, edna Golgota /

by Kaĭtazova, Penka
Published 1994

I͡Aroslav Tagamlit͡ski--uchen i uchitel /

Published 1986

Ivan Stranski, the grandmaster of crystal growth /

by Markov, Ivan V., 1941-
Published 2019

Aleksandur Spasov /

by Golovinski, Evgeni
Published 1991

Georgi Zlatarski /

by Bonchev, E
Published 1988

Phenomenal crystals : giant quartz crystals : unique minerals in world museums : gem treasures of Brazil /

by Deleff, Ilia, 1921-
Published 2004

Blagovest Dolapchiev /

by Chobanov, Ivan, Chobanov, Ivan
Published 1993

Aleksandŭr Vŭlkanov : biobibliografii︠a︡ /

by Golemanski, Vasil
Published 1977