The Negative Wugug

From Author Wars - https://authorwars.com/books/the-negative-wugug-68674.html

Overview:

Title: The Negative Wugug
Author: L. Sprague de Camp
Year: 1942
Type: Short Fiction

Editions/Publications:

Unknown. Scribblings (Unknown, L. Sprague de Camp, NESFA Press, $5.00, 95 pages, Hardcover, Collection)