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Cover of The Case of the Lethal Letters! / The Duplicate Superman! / The Fortress of Fear!
Issue #194 Dec 15, 1966 Issue #195 Feb 07, 1967 Issue #196 Mar 21, 1967 Issue #197 Apr 11, 1967 Issue #198 May 04, 1967 Issue #199 Jun 20, 1967 Issue #200 Aug 03, 1967 Issue #201 Sep 21, 1967 Issue #202 Oct 17, 1967 Issue #203 Nov 02, 1967 Issue #204 Dec 14, 1967 Issue #205 Feb 06, 1968 Issue #206 Mar 19, 1968 Issue #207 Apr 09, 1968 Issue #208 May 07, 1968 Issue #209 Jun 20, 1968 Issue #210 Aug 01, 1968 Issue #211 Sep 17, 1968 Issue #212 Oct 15, 1968 Issue #213 Nov 07, 1968
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DC Comics Superman (1939)

The Case of the Lethal Letters! / The Duplicate Superman! / The Fortress of Fear!

by Cary Bates Writer Al Plastino Penciller +8 more
Dec 14, 1967 $0.12 36 pages
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