Kendall-Grundy Farm Service Company Records, RHC-RC-105, Volume: 3-16; Volume: 2-3; Volume: 17; Volume: 1. Northern Illinois University.
Kendall-Grundy Farm Service Company Records, RHC-RC-105, Volume: 3-16; Volume: 2-3; Volume: 17; Volume: 1. Northern Illinois University. http://archives.lib.niu.edu/repositories/2/resources/1084 Accessed November 14, 2024.
