[Demonstrators in memory of those killed during the 1871 Paris Commune, Pere Lachaise cemetery, Paris]

[Crowd at Marian Anderson's Easter concert on the steps of the Lincoln Memorial, Washington, DC]

Picking cotton on Alexander plantation, Pulaski County, Arkansas

[Navajo boys learning how to play basketball]

Horse and wagon, Crossville, Tennessee

International volunteers who fought for the Republic of Spain against General Franco

[A boy running his fingers through his hair after sweating from a hard day's work]

Eternal Call