OSPAAAL (Felix Beltrán), "Anti-imperialist unity," 1971. Offset poster, 21.5" × 13.5"

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  OSPAAAL (Gladys Acosta Ávila), "Africa," 1971. Offset poster, 20.5" × 13"
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  OSPAAAL (Olivio Martínez), "Día del guerrillero heroico," 1971. Offset poster, 21" × 13"
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  OSPAAAL (Jane Norling), "Day of world solidarity with the struggle of the people of Puerto Rico," 1971. Offset poster,
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  OSPAAAL (Faustino Pérez), "Jornada de solidaridad con Zimbabwe," 1970. Offset poster, 21.5" × 13"
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  OSPAAAL (Alfredo Rostgaard), "Aniversario conferencia tricontinental," 1971. Offset poster, 21" × 13"