New York Times (September 14, 1937) "E. P. Butler Dead; Noted Humorist" Obituary. "His 'Pigs is Pigs' Made Nation Laugh Thirty Years Ago -- Author of 32 Books. Wrote Poetry as Child. Had Served as Bank Executive in Flushing Where He Lived 30 Years -- Succumbs at 67." Includes a photo of the author. [CHAPIN, NYTIMES]