Also in The Big All-American Comic Book (DC, 1944 series) #[nn].
Also in All-American Comics (DC, 1939 series) ?
Also in Mutt & Jeff (DC, 1939 series) #18.
Also in Green Lantern (DC, 1941 series) #19.
Also in Mutt & Jeff (DC, 1939 series) #23.
Also in Comic Cavalcade (DC, 1942 series) #11.
Also in Mutt & Jeff (DC, 1939 series) #21.
Three, 1-panel gags.