1. X & Y boletin Publication/Creation: Ecuador : [publisher not identified], 2000- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. The Xavier Zubiri review Publication/Creation: Washington, D.C. : Xavier Zubiri Foundation of North America Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Xihmai Revista de investigación de la Universidad La Salle Pachuca Publication/Creation: Pachuca 2006- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
4. Xinhua News Agency - Spanish Publication/Creation: COMTEX News Network, Inc Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
5. Xipe-totek : revista trimestral del Instituto Libre de Filosofía y Ciencias, A.C. y del Centro de Reflexión y Acción Social, A.C. Publication/Creation: [Guadalajara, Mexico] : Departamento Filosofía y Humanidades, ITESO Resource Type: Journal, Newspaper or Serial Access & Availability: Loading