note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: …. Guest to the second half

note: Both De Ricci and Dr. Guest date

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: …. Guest to the second half

note: De Ricci dates this to the 15th century, Guest

note: …. Dr. Guest places

note: …. Guest places it in Paris?…

note: … century, Guest

note: De Ricci, 1328. Chart by Dr. G.B. Guest.

note: …. XIII; Dr. Guest places

note: …. Dr. Guest places

note: De Ricci dates this to the fifteenth century, Dr. Guest

note: Both De Ricci and Dr. Guest date

note: …. Chart by Dr. G.B. Guest.

note: …. Chart by Dr. G.B. Guest.

note: De Ricci, 1321. Chart by Dr. G.B. Guest.

note: Chart by Dr. G.B. Guest.

note: De Ricci, 1319. Chart by Dr. G.B. Guest.

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: De Ricci, 1320. Chart by Dr. G.B. Guest.

note: De Ricci, 1321. Chart by Dr. G.B. Guest

note: De Ricci, 1322. Chart by Dr. G.B. Guest.

note: De Ricci, 1329. Chart by Dr. G.B. Guest.

note: De Ricci, 1319. Chart by Dr. G.B. Guest.

note: De Ricci, 1322. Chart by Dr. G.B. Guest.

note: De Ricci, 1319. Chart by Dr. G.B. Guest.

note: De Ricci, 1319. Chart by Dr. G.B. Guest.