Correspondence, some in French and German; letters to the editor; articles by Jacques Maritain; letters from five Supreme Court Justices in 1951 thanking Simon for inscribed copies of a book, and correspondence with the Rev. John O'Hara then President of Notre Dame. Also newspaper clippings from Marquette University and Milwaukee newspapers, and excerpts of a typewritten journal from 1945-1949. Material was microfilmed by Simon's son Anthony, and does not duplicate other Simon material held by the Notre Dame Archives.

Books by Yves R. Simon and issues of journals containing articles by him.