U.S. Telephone Directory Collection
MLA
Not Available. "U.S. Telephone Directory Collection." Library of Congress. 1900/1999, https://www.loc.gov/collections/united-states-telephone-directory-collection/about-this-collection/.
APA
Not Available (1900/1999). U.S. Telephone Directory Collection. Retrieved from https://www.loc.gov/collections/united-states-telephone-directory-collection/about-this-collection/
Chicago
Not Available. "U.S. Telephone Directory Collection." 1900/1999. October 8, 2026. https://www.loc.gov/collections/united-states-telephone-directory-collection/about-this-collection/.
