Letter from Baron [?] N. J. Palmstyrna, November 27-December 9, 1825 (St. Petersbourg [St. Petersburg]), Box: 23, Folder: 7. 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/467124 Accessed September 19, 2024.