Document containing the marriage contract between Francisco Javier María de Munibe, 10th Count of Peñaflorida, and María Josefa de Areizaga
Document containing the marriage contract between Francisco Javier María de Munibe, 10th Count of Peñaflorida, and María Josefa de Areizaga
Document containing a political dissertation on the education that the students of the Royal Seminary of Vergara should receive
Correspondence from Luis Proust, Professor of Chemistry at the Royal Seminary of Vergara, to Xavier María de Munibe
Document containing the Statutes of the Real Sociedad Bascongada de los Amigos del País, an institution founded in 1765 in Azkoitia by the Count of Peñaflorida.