- Rucellai, Guglielmo de'1
- Rules3
- Rural conditions20
- Russia leather bindings2
- SS. Annunziata (Church : Florence, Italy)1
- SS. Trinità e S. Michele Arcangelo di Brondolo (Monastery)1
- Sabbathaians1
- Sacraments--Catholic Church1
- Sacred vocal music3
- Sacred works5
- Saint-Bertin (Monastery : Saint-Omer, Pas-de-Calais, France)1
- Saints1
- Saints--Cult1
- Salignato, Lunghino di1
- Salt industry and trade--Law and legislation2
- Salt--Taxation1
- Salto, Martino del1
- Salviati, Antonio, 1816-18901
- Salviati, Averardo1
- Salviati, Costanza2