Cartoon: "We may already be too late, Mr. Parker."

From Author Wars - https://authorwars.com/books/cartoon-we-may-already-be-too-late-mr-parker-3189531.html

Overview:

Title: Cartoon: "We may already be too late, Mr. Parker."
Author: Gahan Wilson
Year: 1969
Type: Interior Art

Editions/Publications:

Unknown. " ... and then we'll get him!" (Unknown, Gahan Wilson, Richard Marek, ISBN-10: 0399900039, $12.95, 125 pages, Hardcover, Collection)
Unknown. Playboy's Gahan Wilson (Unknown, Gahan Wilson, Playboy Press, $3.25, 128 pages, Trade Paperback, Collection)