Envelope addressed from W[illiam?] A[lexander?] MacKinnon, [18--] (circa 1806-1846)

Envelope addressed from W[illiam?] A[lexander?] MacKinnon, [18--] (circa 1806-1846), Box: 26, Folder: 66. 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/468828 Accessed December 26, 2025.