World War II gave 'girls' a shot at pro baseball, but at first the focus was on looks - The Washington Post
WWII travel restrictions scrubbed 1945 All-Star Game
Sports During WW2
We All Play Ball National Postal Museum
Baseball in World War II - Baseball in Wartime
The History of Baseball – The College of Arts & Sciences at Texas A&M University
Thoroughly Worthwhile: Baseball in World War II
Baseball during World War II – Archived Innings
Beyond the Box Score
Diamond Diplomacy: Marines, Baseball and the Occupation of Japan - National Museum of the Marine Corps
American Athletes and Spectator Sports During World War II