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Cover of Professor Cobalt's Quack Clinic
Issue #16 Aug 01, 1939 Issue #17 Aug 31, 1939 Issue #18 Sep 28, 1939 Issue #19 Oct 31, 1939 Issue #20 Dec 01, 1939 Issue #21 Dec 27, 1939 Issue #22 Jan 23, 1940 Issue #23 Feb 22, 1940 Issue #24 Mar 21, 1940 Issue #25 Apr 23, 1940 Issue #26 May 23, 1940 Issue #27 Jun 25, 1940 Issue #28 Jul 23, 1940 Issue #29 Aug 22, 1940 Issue #30 Sep 24, 1940 Issue #31 Oct 24, 1940 Issue #32 Nov 21, 1940 Issue #33 Dec 24, 1940 Issue #34 Jan 23, 1941 Issue #35 Feb 20, 1941
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DC Comics Action Comics (1938)

Professor Cobalt's Quack Clinic

by Gardner Fox Writer Jerry Siegel Writer +22 more
May 23, 1940 $0.10 68 pages
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