When Cultures Die

From Author Wars - https://authorwars.com/books/when-cultures-die-907141.html

Overview:

Title: When Cultures Die
Author: Gary Barber
Year: 1975
Type: Short Fiction

Editions/Publications:

Unknown. Perry Rhodan #65: Renegades of the Future (Unknown, Gary Barber, Ace Books, $1.25, 164 pages, Paperback, MAGAZINE)