http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xlii, 300 pages, 8 unnumbered pages of plates : facsimiles ; 29 cm.
Pero Lopez de Ayala ; edicion y estudio por Constance L. Wilkins y Heanon M. Wilkins.
Spanish series (Hispanic Seminary of Medieval Studies) ; no. 19