Materials in this source were collected by Aurelio Espinosa Polit, S.J., documenting the history of Jesuit activities in Ecuador in the eighteenth and nineteenth centuries. The collection contains books, newspapers, journal articles, and government documents. For further details, see:

• Lowrie J. Daly, S.J., “Microfilming the Biblioteca Ecuatoriana ‘Aurelio Espinosa Polit,’” Manuscripta 16 (1972): 34–36