Letter from George Washington to Henry Knox, April 10, 1789. Library of Congress. Manuscript Division. The Papers of George Washington. Online in George Washington Papers at the Library of Congress, 1741-1799.

Inaugural Committee on Ceremony in the Senate, April 27, 1789, in secretary's hand. Library of Congress. Manuscript Division. The Papers of George Washington. Online in George Washington Papers at the Library of Congress, 1741-1799.

An East View of Gray's Ferry, near Philadelphia; with the Triumphal Arches, &c. erected for the Reception of General Washington, April 20th, 1789. Library of Congress. Rare Book and Special Collections Division. Call number: AP2.A2 U6. Reproduction number: LC-USZ62-342 (b&w film copy neg.).

Inaugural Address, April 30, 1789, in Washington's hand. Library of Congress. Manuscript Division. The Papers of George Washington. Online in Words and Deeds in American History: Selected Documents Celebrating the Manuscript Division's First 100 Years.

Inaugural Address, Senate Journal, Volume 1, pages 18-20

Inaugural Address, April 30, 1789. Transcription from The Avalon Project at the Yale Law School, New Haven, Connecticut.

Federal Hall, the Seat of Congress, 1790. Private collection of Louis Alan Talley, Washington, D.C. Reproduction number: LC-USZC4-7831 (color film copy transparency).

Journal of William Maclay, April 30, 1789, [original journal]. Library of Congress. Manuscript Division. The Papers of William Maclay.

Journal of William Maclay, April 30, 1789, [transcription]. Library of Congress. General Collections. Call number: J15.M2. Online in A Century of Lawmaking for a New Nation: U.S. Congressional Documents and Debates, 1774-1873.

Letter from James Madison to Edmund Randolph, May 10, 1789. Library of Congress. Manuscript Division. The Papers of James Madison.