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Continue to ChatIsaac Gruenbaum, Jewish Leader of Poland, is Attacked in Warsaw Street https://www.jta.org/archive/isaac-gruenbaum-jewish-leader-of-poland-is-attacked-in-warsaw-street
Isaac Gruenbaum, Jewish Leader of Poland, is Attacked in Warsaw Street https://www.jta.org/archive/isaac-gruenbaum-jewish-leader-of-poland-is-attacked-in-warsaw-street