Letter from Margravine of Ansbach [Elizabeth Craven], March 30, 1807 (Brand[enburg] House), Box: 17, Folder: 34. 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/465877 Accessed May 18, 2024.