Encyclopedias, Almanacs, Transcripts, and Maps
- René Frédéric Thom
 - René Geronimo Favaloro
 - René Just Haüy
 - René Laënnec Revolutionizes the Diagnosis of Chest Diseases with His Invention of the Stethoscope
 - René-Just Haüy
 - René-Louis Baire
 - René-Robert Cavelier, sieur de La Salle
 - René-Théophile-Hyacinthe Laënnec
 - Renier, Noreen
 - Renormalization
 - Renpenning syndrome
 - Renpenning Syndrome
 - Repetitive Motion Disorders
 - Reproductive Immunology
 - Reproductive System
 - Reproductive System
 - Reproductive Technologies
 - Reproductive Technologies: I. Introduction
 - Reproductive Technologies: II. Sex Selection
 - Reproductive Technologies: III. Fertility Drugs
 
