[336] Accademia, Florence.
[337] Pitti.
[338] Florence.
[339] German Museum, Nüremburg.
[340] Vatican Gallery.
[341] Ibid.
[342] Dr Anselm Salzer, O.S.B. Die Sinnbilder und Beiworte Mariens in der deutschen Literatur und lateinischen Hymnenpoesie des Mittelalters.
[343] Mrs Henry Jenner, Christian Symbolism.
[344] Vatican.
[345] Belle Arti, Siena.