Derpich, L.C., N. (2018) “‘Haec Ecclesia… subsistit in Ecclesia catholica’ (LG 8): the subsistence of the Church of Christ as a starting point toward Catholic unity”, Alpha Omega, 21(2), pp. 181–215. Available at: https://riviste.upra.org/index.php/ao/article/view/77 (Accessed: 7 November 2026).