Ira Randall Thompson
Biography and photograph from Thorpe Music Publishing Company with links to his catalogue of choral and vocal music.

Randall Thompson
Retrospective by Elliot Forbes in the July-August 2001 Harvard Magazine explores his personality as well as life and music, focusing on his Alleluia.

Randall Thompson
Entry at Classical Composers Database with life, education, related composers, and noted compositions.

Randall Thompson Centenary
Laudatory biography at Music and Vision by Peter Dickinson covers the breadth of his work.

Testament of Freedom
Program notes from the Napierville Chorus provide a background into his life and a study of the origins and applications of his patriotic choral piece.

Thompson, Randall: Papers
A guide to holdings of the composer's non-choral and choral works at the Houghton Library of Harvard University.