This document provides information on art and architecture in Siena and Florence between the medieval and Renaissance periods. It discusses Ambrogio Lorenzetti's 1338-1339 frescoes depicting the effects of good government in the Palazzo Pubblico in Siena. It also describes Duccio di Buoninsegma's 1308-1311 Maestà altarpiece in the Siena Cathedral, including its central panel and life of Jesus scenes on the back. Brief sections cover condottieri warriors and Francesco Traini's fresco of the Triumph of Death. The document concludes with images of Florence Cathedral between 13th-14th centuries.