Source: Rockford Register Star, Sept. 19, 2020.
Phi Kappa Psi Fraternity
Robert G. Ostrander – 1924 – 2016 obituary
Source: Rockford Register Star 8/24/2016
A Digital Collection of Rockford, Illinois History
Source: Rockford Register Star, Sept. 19, 2020.
Source: Rockford Register Star 8/24/2016