[Vishniac's daughter Mara posing in front of an election poster for Hindenburg and Hitler that reads "The Marshal and the Corporal: Fight with Us for Peace and Equal Rights," Wilmersdorf, Berlin]

Haberdashery in the open market, Warsaw

[Girl smiling next to a horse, Matera, Italy]

[Giovanni Batista Montini conducting religious celebration, Italy]

[Children climb over the ruins, Monte Cassino, Italy]

[Women during greek orthodox ceremony, Sicily, Italy]

[Women during greek orthodox ceremony, Sicily, Italy]

[Easter Sunday at Greek Orthodox church, Piana dei Greci, Sicily, Italy]

[Crowds watching passion play, Isnello, Sicily, Italy]

[Night procession, Isnello, Sicily, Italy]

[Flagellants, San Fratello, Sicily, Italy]

[Activist priest, José Inocencio "Chenco" Alas, hears confession while two girls look on, El Salvador]

[Robert F. Kennedy campaigning for the Senate, Elmira, New York]

[Man, two women, one carrying a baby, and a child walking to the Mobilization Center, Barcelona]

[Republican fighters marching, Madrid]

[Ruins after an air raid, Madrid]

[Refugee children eating a meal, Barcelona]

[Air raid victim in the hospital, Valencia]

[Federico Garcia Lorca and Georges Soria (left), Madrid]

[Little girl with a doll, Vienna]

[Woman in rubbles, Port Said]

[Man working in a brick farm, Mexico]

[Two men counting money on a table, Mexico]

[Detail of saddle, Mexico]