Yale University– a complete listing of the contents of the E.Y. Harburg Collection, part of the American Musical Theatre Collection, Irving S. Gilmore Music Library; these materials were donated by Yip in 1968
Yale University– a complete listing of the contents of the E.Y. Harburg Collection, part of the American Musical Theatre Collection, Irving S. Gilmore Music Library; these materials were donated by Yip in 1968