The Third Thumbprint

From Author Wars - https://authorwars.com/books/the-third-thumbprint-1217072.html

Overview:

Title: The Third Thumbprint
Author: Mortimer Levitan
Year: 1925
Type: Short Fiction

Editions/Publications:

Unknown. Werewolf (Unknown, Mortimer Levitan, Fantasy House, $1.95, 48 pages, quarto, Anthology)