... misericordie
anonymous offertory
Sources
Oxford: Bodleian Library, Dep. Deeds, Christ Church C.34/D.R.3\%, fol. Bv (3/3).
Facsimiles
SUMMERS, William J. 'Unknown and unidentified English polyphonic music from the fourteenth century', RMA Research Chronicle, 19 (1983-1985), example 5.