- Nakhshabī, Z̤iyāʼ al-Dīn, -13501
- Naval Medical Research Institute (U.S.)1
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- Philbrick, Maurice Swain, 1896-1984, author1
- Pillsbury, Stirling G. (Stirling Gainer), 1898- author1
- Qaysī, Fatḥ al-Dīn ibn ʻUthmān ibn Hibat Allāh1
- Ratheau, Jacques.1
- Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?1
- Redfield, Chandler.1
- Rigby, Edward, 1747-18211
- Robson, Thomas.1
- Rosenbaum, Francis F.1
- Rous, Charlotte.1
- Rust, Johann Nepomuk, 1775-18401
- Rustam Jurjānī, 16th cent1
- Sauer, Jennifer H.1
- Sebrell, William H. (William Henry), 1901-1
- Senhouse, Richard.1
- Shadhilī, Ṣadaqah ibn Ibrāhīm al-Miṣrī, fl. 14th cent1
- Shannon, James A. (James Augustine), 1904-19941