Presidential News Conferences: Coolidge - Trump
Citation: Gerhard Peters. "Presidential News Conferences." The American Presidency Project. Ed. John T. Woolley and Gerhard Peters. Santa Barbara, CA: University of California. 1999-2017. Available from the World Wide Web: http://www.presidency.ucsb.edu/data/newsconferences.php.
• Coolidge data from Lyn Ragsdale, Vital Statistics on the Presidency (Washington, D.C.: Congressional Quarterly Press, 1998), 170-71.
• Roosevelt - present data compiled by Gerhard Peters, The American Presidency Project.