, 1987a, Search without idols, Springer, Dordrecht.
, 1987b, The liberal commitment to divine immanence, in W. Horosz & T. S. Clements (eds.), Religion and human purpose, Dordrecht, Springer, pp. 197-231.
, 1987c, The recovery of human purpose in the religious life, in W. Horosz & T. S. Clements (eds.), Religion and human purpose, Dordrecht, Springer, pp. 69-101.
with Clements, T. S. (eds) , 1987, Religion and human purpose: a cross disciplinary approach, Springer, Dordrecht.
, 1974a, 'Does Husserl's reach exceed his grasp?: A critique of the transcendental ego', Philosophy Today 18, 181-197.