National Archives (U.S.). (1948). Records of the Secretary of the Interior relating to wagon roads, 1857-1881: Letters received relating to several wagon roads in Oregon, 1866-1887. The National Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Archives (U.S.). Records of the Secretary of the Interior Relating to Wagon Roads, 1857-1881: Letters Received Relating to Several Wagon Roads in Oregon, 1866-1887. Washington: The National Archives, 1948.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Archives (U.S.). Records of the Secretary of the Interior Relating to Wagon Roads, 1857-1881: Letters Received Relating to Several Wagon Roads in Oregon, 1866-1887. The National Archives, 1948.
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