De Reina, Víctor. “CLAUDIANUS KEMMEREN, Ecclesia Et Jus, Analysis Critica Operum Josephi Klein, 1 Vol. De XVI + 138 págs., Pontificum Athenaeum Antonianum, Romae, 1963”. Ius Canonicum 4, no. 7 (June 1, 1964): 257-262. Accessed May 20, 2024. https://revistas.unav.edu/index.php/ius-canonicum/article/view/23394.