Source: Rockford Register Star, Sept. 19, 2020.
Rockford ROtary Club
Northwest Quarterly magazine – Spring/Summer 2016
Source: Northwest Quarterly magazine, Spring Summer 2016, Vol. 13, No. 3, cover and table of contents
Elmer C. Rudy – 2017 obituary
Source: Rockford Register Star 9-16-2017
Rundquist, Richard A.
Source: Rockford Register Star 1/30/2013
Green Bros. Box & Lumber Co. – 1922
Source: Rockford Daily Register – Gazette Dec. 29, 1977