Source: Rockford Morning Star-Register “Century Plus Ten” Edition March 19, 1962
Source: The Rockford Republic November 5, 1917
Source: Rockford Morning Star Nov.11, 1917
Source of article above: Rockford Daily Register-Gazette Nov. 3, 1917
Source: Rockford Register-Star January 1, 1968
Source: 1945 Polks Rockford City Directory ad, above
Mattison Machine Works, C L Mattison, President; R W Mattison Vice-President; Alan C Mattison Sec; P L Mattison Treas., Machinery Manufacturers, 545 Blackhawk Park Ave.
Source of Text: 1945 Polk’s Rockford City Directory