Speech at Columbia University's bicentennial on May 31, 1954. "Public Papers of the Presidents of the United States: Dwight D. Eisenhower". Book by Dwight D. Eisenhower, p. 524, 1961.
Remarks before Daughters of the American Revolution Convention, Washington, D.C., 21 Apr. 1938. Often paraphrased as Roosevelt's addressing the DAR as "my fellow immigrants."
Noah Webster (1787). “An Examination Into the Leading Principles of the Federal Constitution Proposed by the Late Convention Held at Philadelphia: With Answers to the Principal Objections that Have Been Raised Against the System”, p.43