Advertisement—"WLS—Grows 10 Times as Big!" Fall 1925
Schedule—"Tune in Sears, Roebuck and
Company on KMBC Kansas City, Missouri", 1928.
"The Kansas City Drama News—In the Service of the Spoken Word" Nov. 1928.
National Rate Card No. 8—"WLBK, DeKalb, Illinois" 1 Dec, 1963.
Poster—"Who am I?...I am local radio: George C. Biggar, Station
WLBK, DeKalb, Illinois" n.d.