XVII. Theorie vh Crediet en eu waarde naar de Engelschman Henrich Derming MacLeod, Volume: 1, Page: 227-234. Manuscript notes about the history of political-economical theory, MS C237. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/228525 Accessed May 17, 2024.