Proceedings of the thirteenth congress, Amsterdam, July 19th-24th, 1949.
Published: 1949
Place of publication: [The Hague?
Language: eng
Subjects: Liberalism (Religion) -- Congresses.
Notes: At head of title: I.A.R.F.
Cover title.
Proceedings of the 13th of a series of meetings; proceedings of the 6th are entered under: Congrès international du progrès religieux (chrétiens progressifs et libres-croyants, 6th, Paris, 1913.