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Special Agent #1: Golden Age Detective-Mystery Comic Based On True FBI Crime Cases 1947 : Therrian, Kari A, Press, Parents Magazine: Amazon.it: Libri
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Secret Agent Man - 1977 the Comic
Secret Agent #9: Golden Age Spy Comic 1966 : Therrian, Kari A, Group, Charlton Comics: Amazon.it: Libri
SECRET AGENT X-9 [#1] (Big Little Book ; 1936; HARDCOVER.; Whitman # 1144; Story/ Art/Cover by; Charles Flanders; 432 pages; Based on the famous Detective Newspaper Comics Strip; da Flanders, Charles.: Near