Hoy, Bill (1993). Spanish Terms of the Sonoran Desert Borderlands. Inst. for Border Studies, San Diego State Univ. p. 22. The municipio government usually calls itself the Honorable Ayuntamiento, abbreviated as H. Ayuntamiento.
tshaonline.org
Geoffrey Pivateau, "Ayuntamiento", Handbook of Texas Online[1], accessed July 18, 2012. Published by the Texas State Historical Association.