http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hildegund Keul ; traducción, Almudena Otero Villena.
Includes bibliographical references and index.
Mechthild von Magdeburg. Spanish (Otero Villena)
Maestros espirituales (Herder Editorial)