J.P. Mitchel, Polo Grounds, 4/14/15, 1915. Creator: Bain News Service.
3-025-318 - Heritage Art/Heritage Images
J.P. Mitchel, Polo Grounds, 4/14/15, 1915. Shows John Purroy Mitchel (1879-1918), who served as mayor of New York City from 1914 to 1917, throwing out a ball at the Polo Grounds.