Крокодил, 1937 , № 22
Krokodil Magazine
Крокодил, 1965 , № 25
Наука и жизнь #08 1993
Nauka i Zhizn Magazine
Reincarnations
Harry Turtledove & Sheila Williams
Valor At Vauzlee
DePrima, Thomas
The Clones of Mawcett
Castle Vroman