Amos 'n' Andy with guest star Ethel Waters first broadcast January 28, 1944 on NBC  
Amos 'n' Andy "Live from the New York World's Fair" first broadcast February 27, 1939 on NBC Red Network
Amos 'n' Andy "Efficiency Expert" first broadcast January 15, 1929 WMAQ Chicago
Sam and Henry "Sam's Speech at the Lodge" from May 27, 1926 on WGN Chicago