Vita di Giotto.
"Storia Pittorica," vol xi. p. 13, ed. Pisa, 1815; and vol. v. pp. 8, 9, 10.
Lanzi speaks of these choral books as "De' più considerabili che abbia l'Italia."
The Kensington Museum possesses two splendid leaves from a great "Chorale," which contain miniatures completely in the manner of Fra Angelico.
The Duke of Hamilton possesses some beautiful MSS. illuminated by, or in the manner of Memmi. Mr. Layard is the fortunate owner of one leaf of surpassing grandeur and elevation of style.