"An Analysis of Household Composition and Headship Rates as Related to Changes in Mode of Production: Sao Paulo 1765-1836" by Elizabeth Anne Kuznesof, Box: 3, Folder: 4. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/162868 Accessed May 16, 2024.