String Quartet No. 9 (Study Score). By Robert Simpson (1921-1997). Masterworks; Quartet; Score; String Quartet. Faber Edition. 20th Century; Masterwork. Published by Faber Music (AP.12-0571509762).
ISBN 0571509762. 20th Century; Masterwork.
Complete Study Score edition.
"This is a "Ninth" and no mistake. . .the most significant British string quartet of the century. . ." David J Brown, Tempo, March 1985.