Mexican Franciscan priest selected in 1767 to be Father President of the 14 missionaries going from the Querétaro College north to the Sonoran province; served briefly at the San Pedro y San Pablo Mission at Tubutama in 1768; then moved to the San Miguel Mission at Ures.

Photocopies of typed transcriptions of five letters written by Father Mariano Antonio de Buena y Alcalde, at the Tubutama Mission, 1768- 1769. They are written to the Guardian Father Sebastián Flores, and other unnamed officials, at the Querétaro College, the visitor general José de Gálvez, and the governor Juan Claudio de Pineda.