Electronic Gneuss-Lapidge Date: x1 or x med. 504.3 - London, Collection of S.J. Keynes Esq., s.n. (a single leaf; with two further leaves in Cambridge, MA, Harvard University, Houghton Library Typ 612 and Tokyo, T. Takamiya, MS 89 [a leaf in a collection consisting of 29 single leaves]) 798 - Boulogne-sur-Mer, Bibliothèque municipale, 10