A Christian religious book containing the prayers a priest recites when celebrating High Mass.
Ordo missae page, from the Berthold Sacramentary. MS M.710 fol. 8v. 1215–1217. Morgan Library, New York.
A Christian religious book containing the prayers a priest recites when celebrating High Mass.
Ordo missae page, from the Berthold Sacramentary. MS M.710 fol. 8v. 1215–1217. Morgan Library, New York.