|Collection of the U.S. House of Representatives
Ralph Harold Metcalfe in
Black Americans in Congress, 1870-2007. Prepared under the
direction of the Committee on House Administration by the Office of History
& Preservation, U.S. House of Representatives. Washington: Government
Printing Office, 2008.
Ralph Nader Congress Project.
Citizens Look at Congress: Ralph H. Metcalfe, Democratic Representative
from Illinois. Washington, D. C.: Grossman Publishers, 1972.