INDEX Richard Rodgers: rugcmp Carl Ruggles: Compositions rugdis Carl Ruggles: Dissertations and Theses rugdsc Carl Ruggles: Discographies ruggen Carl Ruggles: Reference-books rughst Carl Ruggles: Histories and/or Theories of music rugnsp Carl Ruggles: Newspaper articles rugper Carl Ruggles: Periodical articles rugupb Carl Ruggles: Unpublished papers