National Football League - 1939 NFL Teams - RetroSeasons.com
1939 NFL season - Wikipedia
Equal Time for the 1939 Cincinnati Reds! | Baseball History Comes Alive!
Brooklyn Dodgers 23-14 Philadelphia Eagles (lost footage of NFL game; 1939) - The Lost Media Wiki
The Best MLB Teams Of All-Time, According To Elo | FiveThirtyEight
Columbia Celebrates 80th Anniversary of First Live Televised Sporting Event in United States - Columbia University Athletics
Incredibly clean footage of a 1939 NFL game has surfaced & it's fascinating
Photo of the Day: Feller's 1939 Baseball Magazine Cover
August 26, 1939...First MLB Game On TV + Other Sports TV Firsts - Eyes Of A Generation...Television's Living History
Yankee Stadium, Bronx, NY, April 20, 1939 – With some sleuth work, a very historic photo of Ted Williams' first MLB game is uncovered | Baseball History Comes Alive!
At Brooklyn's Ebbets Field, NBC televises the first major league game in history on experimental station W2XBS - This Day In Baseball
Memories of the First All-Star Game at Yankee Stadium, in 1939, From Two Who Played in It - The New York Times