The Cid and His Spain(1st Edition) (Routledge Library Editions: Muslim Spain) by Ramón Menéndez Pidal Paperback, 550 Pages, Published 2017 by Routledge ISBN-13: 978-1-138-68966-4, ISBN: 1-138-68966-1
Talento Y Diversidad Las Bases De La Innovación Y La Competitividad by Gutiérrez Menéndez, María Softcover, Published 2019 by Independently Published ISBN-13: 978-1-70149-793-1, ISBN: 1-70149-793-X