THE DETT COLLECTION OF NEGRO SPIRITUALS. 1st-4th group. Arranged & edited by R. Nathaniel Dett. (The H. & M. auditorium series, no.13-16) 4 v. © 18Sep36, AA215462; 5Oct36, AA216499; 16Oct36, AA219485; 22Oct36, AA218099. Helen E. Hopkins (C); 9Jan64; R329188, 329190, 329192-329191.