Details supplied by Larry Estep. |
Details supplied by John Locke from Table of Contents. |
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Details supplied by John Locke from Table of Contents. |
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Details supplied by Larry Estep. |
Details supplied by John Locke from Table of Contents. |
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Details supplied by Denny Lien. |
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Details taken from online listing. |
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Details supplied by Rick Hall. |
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Details supplied by Rick Hall. |
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Details supplied by Rick Hall. |
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For the first couple of years the magazine was actually titled Secret Agent “X” but in November 1935 it settled down to Secret Agent X by which title it is generally known. |
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