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Anti-war demonstration, Workmen's Circle Camp Yungvelt (Pickering, ON), 1937.
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"Clean-up day" at Camp Yungvelt (Pickering, ON), 1927.
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International Left Opposition demonstration, [193-?].
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Postcard of Camp Yungvelt's children's bungalow (Pickering, ON), 1928.
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Postcard of Camp Yungvelt swimming area (Pickering, ON), 1929.
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Workers' Party of Canada, Toronto Branches, [193-?].