Letters and documents obtained by H.H. Bancroft for his History of California, relating mainly to Bonilla's career as justice and alcalde of San Luis Obispo, and to lands in southern California, particularly those of the Mission San Miguel. A few papers of Manuel Larios also included.

Bonilla, born in Mexico City in 1807, came to California in 1834 with the Hijar and Padres colony. He held various responsible public offices in San Luis Obispo — alcalde, judge, and district attorney. He died in 1878.

Number of containers: 1 volume and 1 oversize folder

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Collection is open for research.