Consequences Economiques Des Mesures Sanitaires Contre La Peste Du Moyen Age Au 18e Siecle by J.-N. Biraben, Box: 6, Folder: 12. Personal papers of John T. Alexander, PP 46. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/221612 Accessed May 14, 2024.