Keywords
- Oaths1
- Ochoa family1
- Orden de Santiago1
- Order of the Golden Fleece1
- Orders of knighthood and chivalry1
- Ordinances, Municipal1
- Ordnance--Manufacture1
- Oria, Johannes d'1
- Orlandini, Stefano1
- Orta, Garcia de, active 16th century1
- Ortiz family1
- Orto, Giovanni dall'1
- Ospedale degli Innocenti (Florence, Italy)1
- Oviedo family1
- Oviedo, Francisco de, 1728-1
- Oviedo, Gregorio de, 1721-17961
- Oviedo, Nicolás de, 1725-1
- Paffiere, Arcangelo1
- Paffiere, Matteo1
- Pagani, Angiola1