Former Owner
- Piero Ginori Conti1
- Pierre Fraenkel1
- Pietro Giuseppe Ignati Mattei Cattochii1
- Pietro Millini1
- Pushkar Sohoni1
- Pîrîzâde, Sayyid ʻAbd Allāh, Shaykh al-Islām1
- Qusṭanṭīn ibn Lūdūlf1
- Qāsim al-Īrawānī1
- Rafael Gomes1
- Raphael Nathan Nata Rabinowitz1
- Rashīdī, Ibrāhīm1
- Reuschenberg, Margreta von1
- Richard James Horatio Gottheil1
- Richard McKeon1
- Robert Brodhead Honeyman1
- Robert Churchill1
- Robert Dallas1
- Robert Dechert1
- Robert Samuel Turner1
- Robert de Mol1