Highland Park Newspaper Index 1941 - 1945 - Highland Park Public Library
Past Event Archive, Brown Arts
Aaron Copland Collection - American Memory - Library of Congress
Events - Silent Film Accompaniment by Jay Warren
Joseph Schreurs from the archives
Paul Creston A Bio-Bibliography (Bio-Bibliographies in Music) (Monica J. Slomski), PDF, Chord (Music)
Ravinia Festival - Official Site
Ravinia Festival - Official Site
Stream episode Ravinia Music Under the Stars Around the World by HighlandParkHistory podcast