References
^ Thomas, Rich (ADP); Semeiks, Val; McLeod, Bob; Hi-Fi Design; Storybook Art Group (2014). The Courageous Captain America: An Origin Story, Abdo Group. BiggerBooks. ISBN 9781614790082 (revised Jul 2023)^ (2013). The Courageous Captain America: An Origin Story ECampus. ISBN 9781614790082 (revised Mar 2023)
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