Baldwin, Clarence B. "Why Adult Evening School Students Leave." Unpublished Master's thesis, University of California, 1940.
2.
Brunner, Edmund de S., et al. An Overview of Adult Education Research. Chicago: Adult Education Association, 1959.
3.
Carey, JamesT. Why Students DropOut: A Study of Evening College Student Motivations. Chicago : CSLEA, 1953.
4.
Cope, Calvin C. "How to Conduct Successful Adult Education Classes." Unpublished Master's thesis, University of Southern California, 1939.
5.
Davis, George S., Jr. "A Study of Classroom Factors Related to Drop Outs in Adult Education " Unpublished Ed.D., Florida State University, 1963.
6.
Davis, George S., Jr. and Rex Wright. "Characteristics of Civil Defense Adult Education Teachers: A Study of Selected Teacher Characteristics and Their Relationship to Adult Teaching" Florida Adult Educator , XIII (January-March, 1963).
7.
Davis, James A.Great Books and Small Groups. New York: The Free Press of Glencoe, 1961.
8.
Dirks, Henry B. "Drop Outs in the Evening Adult School." Unpublished Ed.D., University of Southern California, 1955.
9.
Dresher, Richard H. "Factors in Voluntary Drop Outs." Personnel and Guidance Journal, XXXII ( January, 1954) .
10.
Echert, Mary R. "A Study of the Causes of Students Dropping Out of Trade Courses.'' Unpublished Master's thesis, University of Southern California, 1928.
11.
Ewigleben, Robert L. "The Identification and Analysis of the Factors Contributing to the Drop-Out Rate Among Participants in Classes of the Lansing Adult School Program." Unpublished Ed.D., Michigan State University, 1959.
12.
Great Books Foundation.Great Books Under Discussion. Chicago: The Foundation, 1954.
13.
Greenburger, Lawrence F. "Adult Education Through Evening High Schools ," Unpublished Ed.D., University of Pittsburgh , 1936.
14.
Greene, Bert I. "Continuing Education and the High School Drop Out." Adult Education, XII (Winter, 1962).
15.
Greenwood, Walter B. "A Study of Persistence of Public Evening High School Students." Unpublished Ph.D., University of Pennsylvania, 1932.
16.
Hewitt, Clarence L. "A Study of the Enrollment and Persistence of Attendance in Night Schools." Journal of Adult EducationV, ( January-February, 1930).
17.
Leestma, Robert. "Some Problems Reported by Teachers of Adult Students and Some Suggestions for their Alleviation." University of Michigan School of Education Bulletin, XXII (April, 1951).
18.
Love, Robert A. "A Call for Action." School and Society, LXX (October, 1949).
19.
McFarland, T.F. and D.E. Sonquist. "Interests as a Basis for a Program of Adult Education" Religious Education, XXV (September 1930).
20.
Miller, Henry S. "Reasons for Elimination from the Public Evening High School." Unpublished Master's thesis, Temple University, 1930.
21.
Nea.A Study of Urban Public School Adult Education Programs of the United States. Washington: National Education Association, 1952.
22.
Novak, Benjamin J. and Gwendolyn E. Weiant. "Why Do Evening School Students Drop Out?" Adult Education, XIII (Autumn, 1960).
23.
O'Boyle, John A. "A Study of Elimination in Three Evening Elementary Schools of Philadelphia." Unpublished Master's thesis, Temple University, 1930.
24.
Pattyson, Jack W. "The Influence of Certain Factors on Attendance in Public School Adult Education Programs." Unpublished Ed.D., Florida State University, 1961.
25.
Porter, Persis B. "Fluctuation of Public Evening High School Attendance in Los Angeles." Unpublished Master's thesis, University of Southern California, 1928.
26.
Preston, James M. "The Study of Continuing and Non-Continuing Adult Students." Unpublished Ed.D., University of California , Berkeley, 1958.
27.
Reynolds, L.C. "Adult Dropouts." Adult and Veteran's Education Bulletin. Tampa: Hills-borough County Board of Public Instruction, Summer, 1957.
28.
Savides, Harold A. "An Identification of Some Characteristics of Students Who Complete and Students Who Drop Out of an Evening Technical Curriculum." Unpublished Ph.D., University of Wisconsin , 1960.
29.
Sitts, Marvin R. "A Study of the Personality Differences Between a Group of Women Who Had Participated in Sewing Classes in an Adult Education Program and a Group of Their Friends and Neighbors Who Had Not Participated in Any Adult Education Activities." Unpublished Ph.D., Michigan State University, 1960.
30.
Spence, Ralph B. and Louise H. Evans. "Drop Outs in Adult Education ." Adult Education, VI (Summer, 1956 ).
31.
Tessener, Ralph A and Louise M. Tessener. "Review of Literature on School Drop Outs." National Association of Secondary Principals Bulletin . XLII (May 1958).
32.
Ulmer, R Curtis. "A Study of Drop Outs in the Evening Division of a Community College." Unpublished Master's thesis, Florida State University, 1960. See also: R. Curtis Ulmer and Coolie Verner. "Factors Affecting Attendance in a Junior College Adult Program." Adult Education, XIII: 153-158 (Spring 1963).
33.
Verner, Coolie and John S. Newberry, Jr. "The Nature of Adult Participation " Adult Education, VIII (Summer, 1958).
34.
Waller, Eva May. "A Study of Factors Influencing Attendance in the Adult Homemaking Programs in Phoenix, Arizona." Unpublished Master's thesis, Colorado Agricultural College, 1933.
35.
Wright, Grace S.Persistence of Attendance in Adult Education Classes. Circular 353. Washington: Federal Security Agency, 1952.
36.
Zahn, Jane and Laura Phillips. "A Study of the Drop Out in University Adult Education ." Adult Education, XI (Summer, 1961).