Source Persons Title Role Maartje Stols-Witlox other Grace, Alfred Fitzwalter author Records Title Page(s) in source UNKNOWN 87 UNKNOWN 87 UNKNOWN 87-88 UNKNOWN 87-88 UNKNOWN 87-88 UNKNOWN 88 UNKNOWN 88 UNKNOWN 89 On different methods of preparing canvas., 86-87 Library (geocoded): Place of edition (geocoded):