KÖBEL, S. (2024) “The Significance of Relations between Hungarian and Dutch Reformed Congregations under the Single-Party State – With a Special Emphasis on the Dutch Connections of Dezső Szabó, Pastor in Káloz, in the Focus of the State Security Services”, Studia Universitatis Babeș-Bolyai Theologia Reformata Transylvanica, 69(Supplement 1), pp. 191–208. doi: 10.24193/subbtref.69.suppl1.10.