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.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Bureau of Land Management, United States. Dept. of the Treasury, United States. Commission of the General Land Office, και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.