[2] Inlaying with various kinds of coloured wood.
[3] Luca Signorelli.
[4] Pietro Perugino.
[5] See note on p. 57, Vol. I.
[6] This seems to be a mistake for Benedict XI.
[7] See note on p. 57, Vol. I.
[8] See note on p. 57, Vol. I.
[9] Guglielmo da Marcilla.
[10] Jan van Eyck.
[11] It is reasonable to suppose that this stands for Hans (Memling).