The culture of unbelief : studies and proceedings from the First International Symposium on Belief Held at Rome, March 22-27, 1969 - International Symposium on Belief, 1969 : Rome); Caporale, Rocco, 1927-; Grumelli, Antonio; University of California, Berkeley; Catholic Church. Secretariatus pro Non Credentibus (Berkeley, Calif. : University of California Press, 1971)
Keywords: Belief and doubt -- Congresses; Skepticism -- Congresses