found: His The founding of Tucson, 1978:t.p. (Hugo Oconor) t.p. verso (Knight of the order of Calatrava, colonel of infantry in His Majesty's armies and commandant inspector of the frontier posts of New Spain; founder of Tucson, Ariz.)
found: Dobyns, H.F. Spanish colonial Tucson, 1976p. 241 (O'Connor, Hugh; Irishman serving the Spanish King)
found: Officer, J.E. Hispanic Arizona, 1536-1856, 1987p. 50 (Hugo Oconor; Irish expatriate who moved to Spain and enlisted in the Regiment of volunteers of Aragón)
found: Oconor, H. Informe de Hugo de O'Conor sobre el estado de las provincias internas del norte, 1952p. 112 (signed: Hugo Ôconor)