Vermont Historical Society (Montpelier, Vermont) Coolidge Finding Aids: http://www.state.vt.us/vhs/arccat/findaid/coolidge.htm
http://www.state.vt.us/vhs/arccat/findaid/cooladd.htm

American Leaders Speak: Recordings from World War One and the 1920 Election," Library of Congress: http://memory.loc.gov/learn/collections/nforum/index.html

Calvin Coolidge: Intervention in Nicaragua: http://www.mtholyoke.edu/acad/intrel/cc101.htm

COOLIDGE, GRACE ANNA GOODHUE (1879-1957) First Lady, August 3, 1923-March 4, 1929: http://www.firstladies.org/biographies/firstladies.aspx?biography=31

GRACE GOODHUE COOLIDGE Biography:
http://ap.grolier.com/article?assetid=atb999b036&templatename=/article/article.html