United States. Congress. Senate. Committee on the District of Columbia. Widening of Sixteenth Street NW., At Piney Branch, Report, report, 1908~; (https://digital.library.unt.edu/ark:/67531/metadc1469229/m1/1/: accessed April 16, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .