Former Owner
- Puruṣottamadīkṣita1
- Qusṭanṭīn ibn Lūdūlf1
- R. Tolentino1
- Ramsau Monastery1
- Raoul Chandon de Briailles1
- Raoul Léonor Lignerolles1
- Raphael Yitzchak Yisrael1
- Raymond Oliver1
- Richard McKeon1
- Richard N. Frye1
- Robert Brodhead Honeyman1
- Robert Dallas1
- Robert Garrett1
- Robert Mignan1
- Robert Rossiter Hutton1
- Robert Samuel Turner1
- Roy G. Fitzgerald1
- Royal Monastery of Saint Mary of Guadalupe1
- Rudolf Busch1
- Rudolphus Rasser Donatus1