100 score - reading exercises - Wilkinson, Philip G. (Novello & Company, 1974)
Title from resource description page (viewed November 24, 2020)
"This exercises are suitable for students who wish to improve their score-reading abilities in music which uses G and F clefs in three and four parts.
Keywords: Choruses, Secular (Mixed voices), Unaccompanied; Part songs; Studies (Music); Scores