Ruggles, Carl - unpublished papers and materials Bowdoin Biennial Institute, program notes 22 and 23 January 1966. Carl Ruggles Festival, Bennington, VT program notes (29 September 1968). Journal of the Council of Winona City, 1906-14, at Winona City Hall, Winona, MN. Kirkpatrick, John. "The Evolution of Carl Ruggles," a manuscript. Kirkpatrick, John. Notes from conversations with Carl Ruggles. Musical-Literary Society Secretarial and Financial Reports, at Winona Public Library, Winona, MN. New York Philharmonic Program Notes for 19 and 20 March 1936; 24 November 1949; 16-19 October 1958. Register of the Carl Ruggles Collection at the Yale University Music Library (unbound copies are available). Scrapbooks and picture albums of Horace Seaton and other Winonans, at the Winona County Historical Sociey, Winona, MN. 1/19/90