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Published online by Cambridge University Press: 20 November 2018
1 Scriptorum de musica medii aevi nova series a Gerbertina altera, 4 vols. Paris, 1864-76 (reprinted 1931).
2 Scriptores ecclesiastici de musica sacra potissimum, 3 vols. St. Blasien, 1784 (reprinted 1963).