A Regiment to be observed by any person afflicted with the Sone Gravel... Signed: Robert Blackett. Norton, 12 Jan. 1776, Folder: 1, item: 11. Medical and household receipts manuscript, MS C287. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/231579 Accessed June 14, 2025.