Wikipedia has an article on the History of the United States Air Force. The original description page was here. All following user names refer to wikisource...
article on the History of the United States Air Force. Wikisource has a text version of this article. English applies to jurisdiction: United States of America...
for the PDF. {{PD-USGov}} English applies to jurisdiction: United States of America determination method: work of the federal government of the United...
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operator: Internet Archive Internet Archive ID: naturalhisto01kern described at URL: https://archive.org/download/naturalhisto01kern/naturalhisto01kern.pdf...
Archive Internet Archive ID: naturalhistoryof00jone described at URL: https://archive.org/download/naturalhistoryof00jone/naturalhistoryof00jone.pdf...
Archive Internet Archive ID: ourownbirdsfamil00bail described at URL: https://archive.org/download/ourownbirdsfamil00bail/ourownbirdsfamil00bail.pdf...
Internet Archive Internet Archive ID: ourownbirdsfamil00bai described at URL: https://archive.org/download/ourownbirdsfamil00bai/ourownbirdsfamil00bai.pdf...
Archive Internet Archive ID: naturalhistoryof01jone described at URL: https://archive.org/download/naturalhistoryof01jone/naturalhistoryof01jone.pdf...
applies to jurisdiction: United States of America determination method: work of the federal government of the United States determination method: SHA-1...
