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Canadian Jewish Congress, Central Region / Toronto Jewish Congress. Committee for Yiddish, [ca. 1970]-[ca. 1990].
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Toronto Jewish Congress, Orthodox Division. Kashruth Department.
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UJA Federation of Greater Toronto, [ca. 1982]-[ca. 1983].
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UJA Federation of Greater Toronto, Finance Department, 1968-1985.
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Toronto Jewish Congress, 1979.
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Shoel Silver, 1979, 1989-2005.
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Cyrel Troster, 1964-2018.