Who's Who in American Jewry, 1938

Who's Who in American Jewry, 1926.

Ridgewood, NY- Beth Olam, Cypress Hill St.

American Jewish Year Book 5662

American Jewish Year Book 5665

The Levy and Seixas Families of Newport and New York, By N. Taylor Phillips, American Jewish Historical Society no. 4

Book: Four Years of Relief and War Work by the Jews of America 1914-1918 A Chronological Review, by Morris Engelman

American Jewish Historical Society Issue Number 28, Twenty-Eighth Annual Meeting

American Jewish Historical Society Issue Number 28, Twenty-Seventh Annual Meeting

American Jewish Year Book Volume 6 1904-1905, Special Articles, Rev. Gershom Mendez Seixas

American Jewish Historical Society Issue Number 11, Items Relating to the History of the Jews of New York