| [[Letters Received by the Office of Indian Affairs, 1824-1880|''Letters received by the Office of Indian Affairs'']] from the Prairie du Chien Agency, 1824-1842, have been microfilmed by the [http://www.archives.gov/ National Archives] as part of their Microcopy Number M234, Rolls 696-701<ref>''American Indians: A Select Catalog of National Archives Microfilm Publications''. Washington DC: National Archives Trust Fund Board, National Archives and Records Administration, 1998, Microcopy M234, p. 8.</ref>. Copies are available at the National Archives and at the Family History Library and its family history centers (their {{FHL|403528|title-id|disp=microfilm roll numbers 1661426 thru 1661432}}). Some correspondence for this agency will be found under a number of other headings -- St. Louis Superintendency, Michigan Superintendency, Wisconsin Superintendency, Iowa Superintendency, Sac and Fox Agency, Winnebago Agency, and perhaps others.<br> | | [[Letters Received by the Office of Indian Affairs, 1824-1880|''Letters received by the Office of Indian Affairs'']] from the Prairie du Chien Agency, 1824-1842, have been microfilmed by the [http://www.archives.gov/ National Archives] as part of their Microcopy Number M234, Rolls 696-701<ref>''American Indians: A Select Catalog of National Archives Microfilm Publications''. Washington DC: National Archives Trust Fund Board, National Archives and Records Administration, 1998, Microcopy M234, p. 8.</ref>. Copies are available at the National Archives and at the Family History Library and its family history centers (their {{FSC|403528|title-id|disp=microfilm roll numbers 1661426 thru 1661432}}). Some correspondence for this agency will be found under a number of other headings -- St. Louis Superintendency, Michigan Superintendency, Wisconsin Superintendency, Iowa Superintendency, Sac and Fox Agency, Winnebago Agency, and perhaps others.<br> |