Medieval Music Database - Browse By Manuscript
London, British Library, Harley 3965
A parchment Gradual of the 14th century. The troped lesson is a single work in two parts, not two works as listed in RISM.
INVENTORY
Répertoire international des sources musicales. BIV 2. Manuscripts of Polyphonic Music (c.1320-1400), edited by Gilbert Reaney, G. Henle Verlag: Munich-Duisburg, 1969, pp. 228-229.
CONTENTS
fol. 137-137v,139v, Laudes Deo: Lectio Ysaie: Ab ortu solis ())
LITERATURE
SUMMERS, William. 'English Fourteenth-Century Polyphonic Music. An Inventory of the Extant Manuscript Sources', Journal of Musicology VIII/2 (1990): 173-226.