1799 June 10. Tho[ma]s Calvit ALS to [Winthrop] Sargent; Coles Creek, [Mississippi Territory?].
Previously refused his appointment as commander of a cavalry company, but upon confusion at muster day was asked to reconsider. Accepted in order to enable the people to comply with Sargent's "directions for Establishing and maintaining a well regulated Militia within this Territory."