Letter from P[aul?] Tchitchagoff, July 30, [after 1802] (circa 1803-1842), Box: 24, Folder: 20. Letters, literary manuscripts, and personal papers of the Porter family, MS 28. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/467265 Accessed May 05, 2024.