Felipe de Borbón Unofficial Website: An admirer's site with news, photos, links, and information about the Spanish Crown Prince.
Royal Blue Forums: A message board dedicated to Spanish Crown Prince.
The Royal House of Bourbon (Spain): One-page site with a coat of arms and portraits and parentage of King Juan Carlos and Queen Sophia of Spain.
The Royal Household of Spain: Part of an English introduction to the Spanish government, including detailed biographies of the members of the royal family.