Note 2 — Chapter I · HISTORY OF THE PAVEMENT
Reading edition
Documenti per la Storia dell’ Arte Senese, collected and illustrated by Dott. Gaetano Milanesi (Porri, Siena, 1854). Supplemented by Nuovi Documenti per la Storia del Arte Senese, by S. S. Borghesi and L. Banchi. (Torrini, Siena, 1898).