, 1975a, Inherent conceptual limitations of the scientific method and scientific models for the study of religion, in P. Gross, W. Stark, B. Waldenfels, E. Schwanenberg, J. F. Miller & S. R. Friedman (eds.), Beiträge zur Wissenssoziologie, Beiträge zur Religionssoziologie / Contributions to the sociology of knowledge contributions to the sociology of religion, Wiesbaden, Verlag für Sozialwissenschaften, pp. 137-147.
, 1975b, 'Inherent conceptual limitations of the scientific method and scientific models for the study of religion', Internationales Jahrbuch für Religionssoziologie 9, 137-147.
with Gross, P. , Stark, W. , Waldenfels, B. , Schwanenberg, E. , Friedman, S. R. (eds) , 1975a, Beiträge zur Wissenssoziologie, Beiträge zur Religionssoziologie / Contributions to the sociology of knowledge contributions to the sociology of religion, Verlag für Sozialwissenschaften, Wiesbaden.