The descriptive note comes from item B106 in :
Bowles, Garrett H.
Ernst Krenek : a bio-bibliography
Compiled by Garrett H. Bowles
New York: Greenwood Press, 1989
This is what Garrett H. Bowles had to say:
A brief survey of Krenek's philosophical development from his youth in fin de siede Vienna to the present.
© Garrett H. Bowles
(c) 2020. Frank Greene. All rights reserved.