Frank, M. G. (1969). 20 easy woodwind duets for unlike instruments : playable by flute or oboe or Bb clarinet with bassoon or Bb bass clarinet: Transcribed from the music of the 17th and 18th centuries. Sam Fox.

Frank, Marcel G. 20 Easy Woodwind Duets for Unlike Instruments : Playable by Flute or Oboe or Bb Clarinet with Bassoon or Bb Bass Clarinet: Transcribed from the Music of the 17th and 18th Centuries. New York: Sam Fox, 1969.

Frank, Marcel G. 20 Easy Woodwind Duets for Unlike Instruments : Playable by Flute or Oboe or Bb Clarinet with Bassoon or Bb Bass Clarinet: Transcribed from the Music of the 17th and 18th Centuries. Sam Fox, 1969.