He collaborated with Monsignor Victor Sanabria Martínez, second Archbishop of San José, Costa Rica in his work "Genealogy of Cartago from 1650 until 1850", managing to prove a profound knowledge of the collection of protocols of the National Archive of Costa Rica, and contributing important elements to the understanding of the studied lineage in said work.
Jesus | Society of Jesus | Jesus Christ | The Church of Jesus Christ of Latter-day Saints | Jesus Christ Superstar | Jesus College, Oxford | Mary (mother of Jesus) | The Jesus and Mary Chain | Crucifixion of Jesus | Resurrection of Jesus | Nativity of Jesus | Manuel Noriega | Joan Manuel Serrat | Juan Ramón Jiménez | Ascension of Jesus | Manuel I of Portugal | Jesus College, Cambridge | Manuel de Falla | Juan Manuel Santos | Manuel L. Quezon | Manuel Belgrano | Manuel Alejandro | Jesus Jones | Manuel Castells | Jesús Franco | Virgin birth of Jesus | Nativity of Jesus in art | Manuel Zelaya | Manuel Álvarez Bravo | Juan Manuel de Rosas |