- Isabella I, Queen of Spain, 1451-15041
- John II, King of Aragon, 1397-14791
- Juana, of Austria, Princess of Portugal, 1535-15731
- Kings and rulers6
- Manuscripts8
- Manuscripts, French2
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Medieval1
- Manuscripts, Renaissance1
- Manuscripts, Spanish8
- Margarita, de Austria, Queen, consort of Philip III, King of Spain, 1584-16111
- Military art and science1
- Monarchy✖[remove]11
- Navarra, Pedro de1
- Navarre (Kingdom)4
- Navarre (Kingdom). Cortes2
- Pelayo, King of Asturias, -7372
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16212
- Philip IV, King of Spain, 1605-16651