[e] The Brera, Milan.
[f] In a scene of The Eucharist, Antwerp.
[g] Christ on the Cross, Berlin.
[h] As in Hacker's Cry of Egypt.
[] See Gros's Timoleon of Corinth.
[j] Leighton's Captive Andromache.
[k] An exception where the mouth only is used is a drawing for the Madonna and Child with St. Anne, Burlington House, London.
[l] Salome, Uffizi Gallery, Florence.
[m] Madonna and Child, Arezzo.
[n] Madonna and Child, Brera, Milan.