Third Annual Message to Congress, 7 Dec. 1903. "No one is above the law" appears in the U.S. Supreme Court case Mississippi v. Johnson (1867) (arguments of counsel). Even earlier, "no officer ... is above the law" is found in a Kentucky Supreme Court case, Johnston v. Commonwealth (1809).
Speech on the Federal Constitution, Virginia Ratifying Convention, on June 09, 1788. "The Debates in the Several State Conventions on the Adoption of the Federal Constitution". Book edited by Jonathan Elliot, volume 3, p. 168-169, 1836.
"The Right to Keep and Bear Arms - Report of the Subcommittee on the Constitution of the Committee on the Judiciary". Book by Dennis DeConcini and Orrin Hatch, February 1982.
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