The descriptive note comes from item 1464 in :
Diamond, Harold J.
An annotated guide to the literature
New York: Schirmer Books, 1991, 716 p.
This is what Harold J. Diamond had to say:
Copland's development, with commentaries on each piece and biographical details where appropriate. Analytic comments on style, technique and form are included in the discussions.
© Harold J. Diamond
(c) 2019. Frank Greene. All rights reserved.