Writers' Program of the Work Projects Administration in the State of Oregon (1940). Oregon: End of the Trail. American Guide Series. Portland, Oregon: Binfords & Mort. p. 191. OCLC4874569.
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The Organic Act in Grover, Lafayette. The Oregon Archives. Salem: A. Bush. 1853, pp. 26-35
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Writers' Program of the Work Projects Administration in the State of Oregon (1940). Oregon: End of the Trail. American Guide Series. Portland, Oregon: Binfords & Mort. p. 191. OCLC4874569.