Ordinandorum enchiridion - Roder, Joannes. (OLS)http://semarc/name/71464; Belli, Marco. (OLS)http://semarc/name/70169 (D'Auria, 1928)
Keywords: Ordinandi. (OLS)http://semarc/subject/10472; Ordini sacri. (OLS)http://semarc/subject/2451

Tatian's Diatessaron : composition, redaction, recension, and reception - Barker, James William, <1976- >. (OLS)http://semarc/name/122543 (Oxford University Press, 2021)
Keywords: Taziano . Diatesseron. (OLS)http://semarc/subject/58395; Chiesa primitiva e delle origini <ca. 30-600> - Storia. (OLS)http://semarc/subject/3546; Bibbia - NT - Vangeli - Diffusione - Sec. 2. (OLS)http://semarc/subject/58396