This issue has variants.
The story reprinted herein is purportedly an autobiography of Seth in his attempt to track down a Canadian cartoonist named Kalo. Seth later admitted that he had invented Kalo. See http://suicidegirls.com/interviews/Palookaville+-+Clyde+Fans+creator+Seth/ for an interview.
Purportedly 11 examples occupying a page each of Kalo's panels from Modern Mechanix (May 1937), Collier's (May 1947), Cartoon Laughs (Fall 1948) (3 panels), The Saturday Evening Post (January 1951), The New Yorker (April 1951), Esquire (Ootober 1954), Gee-Whiz (September 1956), Weekend Magazine (1961) and Popular Cartoons (June 1978).
Glossary of the comic creators and characters referred to in the story.
Photograph of Kalo in New York.