time in the Cathedral of Burgos. With the arrival to the throne of the John II's daughter, Isabella I of Castile, return the work in monastery from the year 1477, undertaking new projects such as the Sepulchers of the Kings or the Altarpiece. It will continue the architectural tracery of Garci Fernández de Matienzo and later of Simón de Colonia, son of Juan de Colonia, finishing the works of vaulting of the monastery in year 1484. Between 1532 and 1539 undertaken other architectural works in the monastery under direction of Diego de Mendieta, designed to create the side chapels and give greater height to the church as well as the incorporation of spires and pinnacles, and incorporation of the cresting. 19th-century drawings of the Miraflores Charterhouse Both of these sights preverves within today Written sources The sources for the study of the Miraflores Charterhouse include writings of various kinds Compendium of the Libro becerro entitled Brief and compendious news of the foundation of this Miraflores Charterhouse taken from Libro Becerro with worthy of knowing's other news, and covering events and privileges granted to the Charterhouse from 1442-1764. Other sources, among which are the following contributions: Iglesia, Fr. Nicolás, "Flowers of Miraflores sacred hieroglyphics, figurative truths, true shadows of the Mistery of the Immaculate Conception of the Virgin and Mother of God Our Lady Mary […]», Burgos, 1659. Vallés, José de, "First Institute of the Sacred Religion of the Cartuxa: foundations of convents throughout Spain, martyrs of England and generals of the whole order" Madrid, 1663. Arias de Miranda, Juan, "Historical Notes about Miraflores Charterhouse Burgos» Burgos, 1843. Tarín and Juaneda, Francisco, "The Royal Miraflores Charterhouse (Burgos). History and description" Burgos, 1896. Exterior set Floor The floor of the monastery follows other Carthusian monasteries's pattern of the Middle Ages. The floor develops from the placement of the church and the layout of two main cloisters for each of the groups of Carthusian monks who inhabit: Fathers and Brothers. Around these two cloisters are individual hermitages that allows the monk to live solitude and silence own of the Carthusian spirituality. This part of the monastery is not visitable. The floor of the church is formed by a single quadripartite longitudinal nave, distinguishing the spaces of the chancel, the choir of the Fathers, the choir of the Brothers and the faithfuls stay. The nave is closed with vaults with tiercerons, keeping the Gothic