Studien zur mittelalterlichen Busslehre : mit besonderer Berücksichtigung der älteren Franziskanerschule B Philosophy
Das fränkische Sacramentarium Gelasianum in alamannischer Überlieferung (Codex Sangall. no. 348). St. Galler Sakramentar-Forschungen I; B Philosophy
The missal of St. Augustine’s abbey, Canterbury, with excerpts from the Antiphonary and Lectionary of the same monastery B Philosophy
The ceremonies of the Roman rite described : in accordance with the rubrics of liturgical books , the decrees of the Congregation of Sacred Rites, the Code of Canon Law, and approved authors, … B Philosophy
