2003 "Score reading provides insights into the musical structure of a work that are difficult to obtain from merely listening. Many listeners and amateurs derive great pleasure from following a performance with score in hand to help them better understand the intricacies of what they are hearing. This guide includes practice examples of increasing difficulty taken from scores of well-known works from various periods."
Music for Score Reading by Robert A. Melcher; Willard F. Warch
1971. Progressive exercises for beginners for score reading on piano, beginning with traditional treble and bass clefs, progressing to transposing intruments, additional clefs and ending with full score excerpts.
Preparatory Exercises in Score Reading by R. O. Morris; Howard Ferguson
1968 "124 short excerpts using a mixture of treble, alto, tenor and bass clefs and various common transpositions. The book concentrates on diatonic harmonic study (including diminished sevenths) and harmonic counterpoint in up to three parts. The exercises train students to take in many staves at once, to see where the principal melody is, to understand harmonies and modulations, to read various clefs, and transpose as necessary."