Ives, Charles - unpublished papers and materials Moore, Ralph J. Jr. "The Background and the Symbol: Charles E. Ives." unpubl. senior essay, (Yale, 1954). Riedel, Johannes and Robert Oudal. "A Charles Ives Primer." (University of Minnesota, Minneapolis, 1969). ["Introduction to Ives' musical idioms, bibl. of newspaper and magazine articles, books and recordings, and outline of class topics."] 1/20/93