Gaston, E. Thayer
(1957). A Test of Musicality. Lawrence (Kansas): Odell's Instrumental Service.
2.
Knieter, Gerard L.
(1971). The Nature of Aesthetic Education. Toward an Aesthetic Education. Washington, D.C.: Music Educators National Conference.
3.
Parker, Olin G. (1961). A Study of the Relationship of Aesthetic Sensitivity to Musical Ability, Intelligence, and Socioeconomic Status. Ed. D. Thesis, Kansas University, Lawrence, Kansas.
4.
Schwadron, Abraham A.
(1967). Aesthetics: Dimensions for Music Education. Washington, D.C.: Music Educators National Conference.
5.
Snedecor, George W.
(1946). Statistical Methods. Ames (Iowa): The Iowa Press.
6.
Warner, A. Lloyd
, Meeker, Marchia and Kells, Kenneth (1940). Social Class in America. Chicago: Science Research Associates, Inc.
7.
Wing, Herbert D.
(1961). Standardized Tests of Musical Intelligence. Sheffield: Greenup and Thompson Ltd.