Aspects of the topic Fernán González are discussed in the following places at Britannica.
Assorted References
- Castilian independence (in Castile (region, Spain); in Spain: The Christian states, 711–1035 )
- conflict with Ramiro II (in Ramiro II (king of Leon and Asturias))
- defeat by García I Sanchez (in García I (or II) Sanchez (king of Pamplona))