1To George Washington from John Gassaway, 21 May 1794 (Washington Papers)
Being informed of the Vacancy lately occasioned in the Collectors Office at the Port of Baltimore...
2To Thomas Jefferson from John Gassaway, 13 October 1806 (Jefferson Papers)
The death of Mr. Purviance the late Collector of the Port of Baltimore having created a Vacancy...
3To Thomas Jefferson from John Gassaway, 8 February 1809 (Jefferson Papers)
I have the honor to enclose to You the Maryland Gazette, in Which is contained Resolutions of a...
4To James Madison from John Gassaway, 24 February 1809 (Madison Papers)
I have the honor to enclose to You the Maryland Gazette, in which is contained Resolutions of a...
5To James Madison from John Gassaway, 23 December 1811 (Abstract) (Madison Papers)
23 December 1811, Adjutant General’s Office, Annapolis. Transmits a general return of the...