Ordinarium Juxta Sacri Ordinis Fratrum Praedictorum Jussu Ludovici Theissling Editum

This is the official liturgical book of the Dominican order, containing the order of mass and other liturgical celebrations as used by the Dominicans since the early middle ages. The book was edited by Louis Theisling, a noted Dominican liturgist of the early 20th century. This volume is considered an essential reference for scholars of liturgy, ritual, and church history.

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