Oberennoù brudetañPeril of the Blue World (Planet Stories, Goañv 1942)Heritage (Astounding Stories of Super-Science, Mezheven 1942)The Canal Builders (Astounding, Genver 1945)Heritage (romant berr, Astounding, Mezheven 1947)The Dead-Star Rover (Planet Stories, Goañv 1949)Strange Exodus (Planet Stories, Diskar-amzer 1950)The Rotifers (if, Meurzh 1953)Axolotl (The Magazine of Fantasy & Science Fiction, Genver 1954)Heirs Apparent (romant berr, The Magazine of Fantasy & Science Fiction, Mezheven 1954)Pyramid (romant berr, Astounding, Gouhere 1954)Single Combat (The Magazine of Fantasy & Science Fiction, Genver 1955)Junior (Galaxy Science Fiction, Genver 1956)Grandmas Lie Soap (Fantastic UniverseChwevrer 1956 