"The Supreme Court holds a term in Pittsburgh, on the 1st Monday in September annually, to continue two weeks if necessary, for the Western District, composed of the counties of Somerset, Westmoreland, Fayette, Greene, Washington, Allegheny, Beaver, Butler, Mercer, Crawford, Erie, Warren, Venango, Armstrong, Cambria, Indiana and Jefferson." Pittsburgh directory, 1815.

"Mr. Lacock submitted an important resolution for instructing the committee on the Judiciary to enquire into the expediency of dividing the state of Pennsylvania into two Judicial Districts, and establishing a district court of the U. States at the city of Pittsburgh, which was agreed to." Commonwealth, Jan. 6, 1817.