R.
- “R” Printer, [107].
- Ramsey Abbey, [61].
- Reichenau Abbey, [60].
- [Richard de Bury], [23], [47], [50], [64], [65], [68].
- Romans, [11].
- Rome, [12], [14], [15], [17], [18], [19], [28], [103], [104], [106], [108], [109], [111], [112], [131].
- Rood, Theodore, [130].
- Rostock, [117].
- Rouen, [106], [131].
- Royal Library of England, [68], [155].
- —— of France, [67].