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Mike Acs: Barbara A. Matelski, MSC Artist-Illustrator (Gene Dorr website download)
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Mike Acs: NASA ROUNDUP, APRIL 3, 19631024_5 (NASA website download)
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Mike Acs: S-71-56246 (Apollo 16 crew patch-emblem, NASA Johnson (Flickr) download)
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Mike Acs: Apollo 13 (Swigert) caricature, Barbara Matelski (TIME magazine online (via Sotheby's) download)
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Mike Acs: S-72-53094 (Skylab 3 crew patch-emblem, NASA Johnson (Flickr) download)