This page provides editions of primary sources of the liturgy.  Two of them (the antiphonary and the ordinary of the Mass) have fallen out of
copyright, and the other is my own new presentation of the First Roman Ordo.  In addition, it will include previously unavailable translations of
medieval liturgies, starting with a draft of my translation of the First Roman Ordo.


The First Roman Ordo (OR I):  A new presentation (revised)

The Early Medieval Antiphonary - R.J. Hesbert (Editor)

The Ordinary of the Mass - B. Botte and C. Mohrmann (Editors)

The First Roman Ordo (OR I):  A new translation (revised)
Primary Sources and Translations
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