Lettre de M. de Sorhouet à M. de Maupeou. "del bordure du Styx le --- sept 1774", Volume: 1, Page: 324-336. Mathieu François Pidansat de Mairobert literary manuscript, MS B23. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/230830 Accessed May 13, 2024.