United States. Bureau of Land Management, United States. Dept. of the Treasury, United States. Commission of the General Land Office, & Surveyor General of the Territory Northwest. (1963). Letters received by the Secretary of the Treasury and the Commissioner of the General Land Office from the Surveyor General of the Territory Northwest of the River Ohio, 1797-1849. National Archives, National Archives and Records Service, General Services Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Bureau of Land Management, United States. Dept. of the Treasury, United States. Commission of the General Land Office, و Surveyor General of the Territory Northwest. Letters Received by the Secretary of the Treasury and the Commissioner of the General Land Office from the Surveyor General of the Territory Northwest of the River Ohio, 1797-1849. Washington [D.C.]: National Archives, National Archives and Records Service, General Services Administration, 1963.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Bureau of Land Management, et al. Letters Received by the Secretary of the Treasury and the Commissioner of the General Land Office from the Surveyor General of the Territory Northwest of the River Ohio, 1797-1849. National Archives, National Archives and Records Service, General Services Administration, 1963.