Doubleday field hi-res stock photography and images - Alamy
Who Invented Baseball & When Was Baseball Invented?
Image of General Abner Doubleday (b/w photo) by American Photographer, (19th century)
Adventures in Cemetery Hopping | A blog by Traci Rylands
Who Invented Baseball? | HISTORY
The Mills Commission on the origins of baseball reports that the game was invented by Abner Doubleday in Cooperstown, New York, in 1839 - This Day In Baseball
Abner Doubleday and Baseball's Beginning: Separating Fact from Fiction: Yomtov, Nel: 9781496695369: Books - Amazon.ca
Cooperstown Distillery A. Doubleday's Baseball Bourbon Whiskey, New York | prices, stores, tasting notes & market data