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1“…New York: Pathfinder Press…”
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6“…New York: Pathfinder…”
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7“…New York: Pathfinder Press…”
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8“…New York: Pathfinder…”
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9“…New York: Pathfinder Press…”
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10“…New York: Pathfinder…”
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11Including "The death agony of capitalism and the tasks of the Fourth International"“…New York: Pathfinder Press…”
Van Trotski, Leon, Hansen, Joseph, Novack, George
Datering 1974
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12“…New York: Pathfinder…”
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13“…New York: Pathfinder…”
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14Bibliotheek François Vercammen“…New York: Pathfinder…”
Van Lund, Caroline, Jenness, Linda, Morell, Andrea, Williams, Maxine
Datering 1973
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16“…New York: Pathfinder…”
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17“…New York: Pathfinder…”
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