Gobernantes del estado de México : Múzquiz, Zavala, Olaguíbel, 1975: p. 36, etc. (Lorenzo de Zavala elected gobernador constitucional of the state of Mexico 8 Mar. 1827; transferred powers to José Ignacio Sotomayor upon becoming Ministro de Hacienda 16 April 1829; served again as gobernador constitucional for the state in 1833)

Meier, Matt S. Mexican American biographies, 1988: pages 248-249 (Lorenzo de Zavala, political leader, physician. Born in Mérida, Yucatán on October 3, 1788, died November 1836. Federalist leader. Moved to Texas; was one of the co-authors of the Texas constitution. Died in Texas)