The A cappella chorus - Jones, Griffith J. (Griffith John) 1875-1955; Krone, Max T. (Max Thomas) 1901-1970 (New York Witmark, 1932)
v.1. Two-part choruses for mixed voices.--v. 2. Three and four part mixed voices, S.A.B.-S.A.T.B. (easy to medium).--v. 3. Three part mixed voices, S.A.B. (medium to difficult).--v. 4. Four part mixed voices, S.A.T.B. (easy to medium). v.5. Four part mixed voices, S.A.T.B (medium to moderately difficult).
Keywords: Choruses (Mixed voices), Unaccompanied