- RAD Association2
- RAMANUJAN MATHEMATICAL SOC1
- Ramanujan Mathematical Society2
- Regional Association for Security and crisis management2
- REVISTA BRASILEIRA ZOOTECNIA BRAZILIAN JOURNAL ANIMAL SCI2
- Robotics Society of Japan2
- Romanian Association of Balneology2
- Romanian Society for Pharmaceutical Sciences3
- Routledge77
- ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD12
- ROYAL SOC CHEMISTRY7
- Royal Society of Chemistry5
- Rubber Division of the American Chemical Society2