||1. R. Menahem Ben Zion Sacks, Executive Director of Associated Talmud Torahs of Chicago, Chicago, 1952.
2. R. Asher Nathan ha-Levi Levitan, rabbi in Bronx, (formerly Shavel, Lita), Bronx 1944.
3. R. Ben Zion Goldzweig, Chief Rabbi of Montreal, Canada, Montreal 1960.,
4. Letter of the Vaad Harabbonim of Buenos Aires, Argentina, 1966.
5. R. Moses Cheover, Chief Rabbi of Sephardim in Buenos Aires, Argentina, 1965.