RT Book T1 The intonation formulas of Western Chant T2 Studies and texts JF Studies and texts A1 Bailey, Terence LA English PP Toronto PB Pontifical Institute of Mediaeval Studies YR 1974 UL https://www.ixtheo.de/Record/211422460 CN ML174 SN 0888440286 K1 Music : History and criticism : 500-1400 K1 Tonarius K1 Gregorian chants : History and criticism