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Jan 1948 Rogers H |
 |
Feb 1948 Alejandro |
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Mar 1948 Rogers H |
 |
Apr 1948 Bonestell |
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May 1948 Alejandro |
 |
Jun 1948 Timmins |
 |
Jul 1948 Rogers H |
 |
Aug 1948 Alejandro |
 |
Sep 1948 Bonestell |
 |
Oct 1948 Rogers H |
 |
Nov 1948 Rogers H |
 |
Dec 1948 Orban |