Beverly Hills, Calif. : Sage Publications, 1962

Beverly Hills, Calif. : Sage Publications, 1969
[Rev. ed.].

Los Angeles : Youth Study Center, University of Southern California, 1965
[Rev., i. e. 3d ed.

Los Angeles : Youth Studies Center, University of Southern California, 1965
[3rd rev. ed.].

Beverly Hills, Calif. : Sage Publications, 1978
2d rev. ed.

Los Angeles : Youth Studies Center, University of Southern California, 1961

Chicago : Center for the Study of Liberal Education for Adults, 1958

Thousand Oaks, Calif. : Sage Publications, 1994
3rd ed. /