Storied windows : a traveller's introduction to the study of old church glass, from the twelfth century to the Renaissance, especially in France (1914)
Bushnell, Arthur J. de Havilland · New York : Macmillan · leaf 232
POITIERS CATHEDRAL. East Window, of marvellous Colour. End of XIIth Century. Bv Dermission of M. Jules Robuchcn.
Glass painting and staining · Cathedrals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
