Former Owner
- Rafael Gomes1
- Raffaello de’ Medici1
- Raghunatha Bhatta Goswami1
- Raghunātha Kāgalakara1
- Raitenhaslach Cistercian Abbey1
- Ralph Thoresby1
- Ralph Verney, 1st Earl Verney1
- Rama Deva1
- Raphael King1
- Raphael Nathan Nata Rabinowitz1
- Raphael de Mediolano1
- Raṅganātha Marāṭhe (Son of Mayūreśvara)1
- Reading Abbey1
- Reiss & Son1
- Renzo Rizzi libri antichi1
- René Antoine Thoué1
- René Henry1
- Rev. Frederick Collins Wilson1
- Rev. J. Duncalf1
- Ricardo Enrico de Wilde1