Наука и жизнь #11-12 1941
Nauka i Zhizn Magazine
The Terrible Answer
Arthur G. Hill
Крокодил, 1935 , № 15
Krokodil Magazine
Крокодил, 1987 , № 26
The Year of Disappearances
Susan Hubbard
The Society of S (2)
The Society of S
The Society of S (1)