1Brown, Steven R. 1993. Methodology query. Q Methodology Net work[Listerver], 20 Novenmber.
2Stephenson, William. 1980, a. Consciring: A general theory for subjective communicability. Communication Yearbook 4.Edited by Dan Nimmo. New Brunswick, NJ: Transaction.
3Bronowski,J, 1956. Science and Human Values. New York: Harper Torchbooks. pp. 23 -24.
4Morgan, David L. 1998. Selectionist thought and methoddogical orthodoxy in psychological science, psychologyical Record 48 : 439 - 456.
5Stephenson, William. 1974. Methogology of single case studies. Journal of Operational psychiatry5(2) :3 - 16.
6Stephenson, William. 1953. The Study of Behavior : Q - Technique and Its methodology. Chicago: University of Chicago Press
7Brown, Steven R. 1994. Belated reply to Peter Schmolck' s introduction. Q Methodology Network[Listerver], 18 February.
8Brown,Steven R. 1980. Political Subjectivity: Applications of Q Methodology in Political Science, New Haven & London: Yale University Press.
9Stephenson, William. 1980, b. Foreword. In political Subjectivity: Applications of Q methodology in Political Science, by Steven R.Brown. New Haven and London: Yale University Press.