Color image of people at a stage set up for a demonstration by American Peace Test, a group protesting nuclear testing. The booth displays many international flags. One of its banners reads, "Puisser la Paix regner dans le monde" ("May peace reign in the world").

Color image of people on and around a stage set up for a demonstration held on World Peace Day by American Peace Test, a group protesting nuclear testing. The stage has large banners and displays many international flags. One of the banners reads, "Nuremberg requires that we act."

Protestors at the Nevada Test Site, part of the Nevada Semipalatinsk Movement. Pictured in the back left in a toboggan hat is Louis Vitale. From left to right in the front: Pauline Esteves and Sister Rosemary Lynch. Ca 1980-1999.

Color image of a statue of a nude pregnant woman and a sign reading, "Stop nuclear weapons testing," at a demonstration held by American Peace Test, a group opposed to nuclear testing.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). Dom Hélder Câmara was the Archbishop of Brazil.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). Dom Hélder Câmara (right) was the Archbishop of Brazil. Lenten Desert Experience.