- Appuhn 2002:economic development
- Berriman 1953:weights and measures
- Sandra Sider.（2007）. Handbook to Life in Renaissance Europe.Oxford University Press,USA.ISBN 9780195330847.
- Richter, Die Piccolomini (Berlin, 1874)
- A. Lisini and A. Liberati, Albero della famiglia Piccolomini (Siena, 1899)
- Articles by A. Lisini in the Miscellanea storica senese, 3rd series 12, and 4th series, 17 and 189.
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