This primary source comes from the Records of the U.S. Senate.
National Archives Identifier:
2600935Full Citation: Chart Showing a Day of Television Programming in Chicago; 9/16/1954 ; Committee Papers, 1816 - 2011; Records of the U.S. Senate, Record Group 46; National Archives Building, Washington, DC. [Online Version, https://www.docsteach.org/documents/document/tv-programming-chicago, May 9, 2024]