Paxson, F. L. (1924). History of the American frontier, 1763 - 1893: Frederic Logan Paxson. Houghton Mifflin [u.a.].
Lua i Stíl Chicago (17ú heag.)Paxson, Frederic L. History of the American Frontier, 1763 - 1893: Frederic Logan Paxson. Boston [u.a.]: Houghton Mifflin [u.a.], 1924.
Lua MLA (8ú heag.)Paxson, Frederic L. History of the American Frontier, 1763 - 1893: Frederic Logan Paxson. Houghton Mifflin [u.a.], 1924.
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