America's history through the lens of 20th century broadcast media
Copyright 2018 Greenstone Media Consulting, LLC
Library - Networks - Mutual Broadcasting System (MBS)
 
MBS Daytime programming PMT - late 1940s       

MBS Mutual Man ad - Broadcasting Magazine  3-9-1953

Mutual Broadcasting System - overview

Mutual-Don Lee Studio Building, Hollywood

MBS Network Feed Schedule - 10-16-1941

This is Mutual 1948- 1960 - Masters Thesis