Electronic Gneuss-Lapidge Entry 504.4 Number 504.4 Shelfmark London, Collection of S.J. Keynes Esq. s.n. Date xi med. Origin England Provenance [unknown] Contents missal (f) Bibliography MSS Stoneman (1997) 129 Hartzell (2006) no. 200 Gneuss (2012) 292 FACS Sotheby’s sale catalogue for 23 April 1983, lot 5