References
- Army Air Forces Regulation . April 28 1943 . Training-Physical Fitness Test , April 28 , Washington , D. C. : Headquarters, Army Air Forces . No. 50–10
- Berrafato , Peter R. 1949 . The Effect of Various Physical Education Service Courses on the All-Round Muscular Endurance of University Students , University of Illinois . Unpublished Master's thesis
- Cozens , Frederick W. 1929 . The Measurement of General Athletic Ability in College Men , 132 Eugene , Oregon : University Press .
- Fordham , Sheldon L. 1949 . The Effect of Four Selected Physical Education Activities on Muscular Endurance Test Scores , University of Illinois . Unpublished Master's thesis
- Larson , Leonard A. 1941 . A Factor Analysis of Motor Ability Variables and Tests, with Tests for College Men . Research Quarterly , 12 : 499 – 517 .
- Larson , Leonard A. 1946 . Some Findings Resulting for Army Air Forces Physical Training Program . Research Quarterly , 17 : 147
- Wilbur , E. A. 1943 . A Comparative Study of Physical Fitness Indices as Measured by Two Programs of Physical Education: The Sports Method and the Apparatus Method . Research Quarterly , 14 : 316 – 332 .