1. Adrian, M. (1938) A comparative study of steadiness of athletes and non-athletes. Unpublished master's thesis, Springfield College, Springfield, MA.
2. Alexander, J. (1929) Techniques for the study of motor skills in track. Unpublished master's thesis, Univer. of Iowa, Iowa City, IA.
3. Athlete Best in Emergency Says Bader.Wisconsin State Journal, 1932, 21, September 11.