Etulain, R. W. (2013). Lincoln and Oregon country politics in the Civil War era. Oregon State University Press.
Lua i Stíl Chicago (17ú heag.)Etulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Corvallis: Oregon State University Press, 2013.
Lua MLA (9ú heag.)Etulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Oregon State University Press, 2013.
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