Reinhold Niebuhr's theological synthesis - Callahan, Eduardo R. <sj>. (OLS)http://semarc/name/90664 ([s.n.], 1953)
In testa al front. : Pontificia Universitas Gregoriana.
Keywords: Niebuhr, Reinhold <1892-1971>. (OLS)http://semarc/subject/8619; Tesi di laurea. (OLS)http://semarc/subject/1690