Крокодил, 1937 , № 07
Krokodil Magazine
Наука и жизнь #04 1946
Nauka i Zhizn Magazine
Наука и жизнь #12 1968
Histoires incroyables, Tome I
Jules Lermina
Man-Kzin wars X: The Wunder War
Hal Colebatch
Man-Kzin Wars (10)