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Al-Hidāyatuʾl-Āmirīya being an epistle of the tenth Fatimid Caliph al-Āmir bi-aḥkāmiʾl-lāh and an Appendix Iqāʿ Ṣawāʿiqiʾl-irghām.(= Islamic Research Association Series No. 7)
Beneventanum Troporum Corpus II. Ordinary Chants and Tropes for the Mass from Southern Italy, AD 1000-1250. Part 3: Preface Chants and Sanctus.(Recent Researches in the Music of the Middle Ages and Early Renaissance. Volume XXV/XXVI)