Крокодил, 1927 , № 46
Krokodil Magazine
Крокодил, 1925 , № 20
The Golden Age of Science Fiction Volume VI: An Anthology of ...
Various
Golden Age of SF (6)
Наука и жизнь #11 1962
Nauka i Zhizn Magazine
The Depths of Time
Roger MacBride Allen
Chron of Solace (1)