Bergen County historical society, Hackensack; Westervelt, Frances Augusta (Johnson) (October 21, 1905). "Annual report". Hackensack, N.J. Retrieved October 21, 2019 – via Internet Archive.
Digges, Thomas (November 22, 1780). "To John Adams from Thomas Digges, 22 November 1780". Founders Online, National Archives. A person of the name of Trumbull was taken up for high Treason on Sunday night and committed Irond to Prison.
battlefields.org
Percoco, James A. "John André". American Battlefield Trust. Retrieved March 26, 2024.
William Dunlap (March 30, 1798), André' – A Play in Five Acts, transcribed by John W. Kennedy, archived from the original on December 11, 2007, retrieved October 25, 2007
William Dunlap (March 30, 1798), André' – A Play in Five Acts, transcribed by John W. Kennedy, archived from the original on December 11, 2007, retrieved October 25, 2007