"Diagram of sexagesimal cycle of circulatory phases." This circle diagram shows the combination sequence of the 10 Heavenly Stems and 12 Earthly Branches to form the sexagesimal cycle of 60 years. Liu Wenshu, Suwen rushi yunqi lun'ao, preface 1099.

Current Projects

Robust Northerners, Delicate Southerners: A Cultural History of Regionalism in Late Imperial Chinese Medicine.

Understanding is Within One's Grasp: A Cultural History of Chinese Hand Mnemonics, Calculation, and Divination.