Former Owner
- Rafael Gomes1
- Raphael Nathan Nata Rabinowitz1
- Reuschenberg, Margreta von1
- Richard McKeon1
- Robert Brodhead Honeyman1
- Robert Ranshaw1
- Robert Samuel Turner1
- Robert de Mol1
- Rudolphus Rasser Donatus1
- Samuel Allan1
- Samuel H. Putnam1
- Santander San Juan, Simon de, -17911
- Sebastiano Calvi1
- Sigurd Wandel1
- Solomon Joachim Halberstam1
- Stephan Rosinus1
- Stiftsbibliothek Kremsmünster1
- Thomas G. Bergin1
- Thomas Thorpe1
- Thomas Tresham II1