Thorne, Frederick C. 1949. “The Psychology of Control.” Journal of Clinical Psychology 5 (4): 374–86. doi:10.1002/1097-4679(194910)5:4<374::AID-JCLP2270050407>3.0.CO;2-M. https://login.libproxy.scu.edu/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=a9h&AN=96184792&site=eds-live