| Qwerty | QWERTY | 2240-2950 |
| R and D Management | R&D MANAGE | 0033-6807 |
| R and D: Research and Development Kobe Steel Engineering Reports | R AND D: RESEARCH AND DEVELOPMENT KOBE STEEL ENGINEERING REPORTS | 0373-8868 |
| R Journal | R JOURNAL | 2073-4859 |
| Research and Development (Barrington, Illinois) | R&D MAG | 0746-9179 |
| RA'E GA - O Espaco Geografico em Analise | RA'E GA - O ESPACO GEOGRAFICO EM ANALISE | 1516-4136 |
| Ra-Revista de Arquitectura | RA-REVISTA DE ARQUITECTURA | 1138-5596 |
| Rabels Zeitschrift fur Auslandisches und Internationales Privatrecht | RABELS ZEITSCHRIFT FUR AUSLANDISCHES UND INTERNATIONALES PRIVATRECHT | 0033-7250 |
| Racar-revue d Art Canadienne-canadian Art Review | | 0315-9906 |
| Race and Class | RACE CLASS | 0306-3968 |
| Race and Justice | RACE AND JUSTICE | 2153-3687 |
| Race and Social Problems | RACE AND SOCIAL PROBLEMS | 1867-1748 |
| Race Ethnicity and Education | RACE ETHNIC EDUC-UK | 1361-3324 |
| Rad Hrvatske Akademije Znanosti i Umjetnosti-Matematicke Znanosti | RAD HRVATSKE AKADEMIJE ZNANOSTI I UMJETNOSTI-MATEMATICKE ZNANOSTI | 1849-2215 |
| Radca Prawny | | |
| Radiation and Environmental Biophysics | RADIAT ENVIRON BIOPH | 0301-634X |
| Radiation and Risk | RADIATION AND RISK | 0131-3878 |
| Radiation Detection Technology and Methods | RADIATION DETECTION TECHNOLOGY AND METHODS | 2509-9930 |
| Radiation Effects and Defects in Solids | RADIAT EFF DEFECT S | 1042-0150 |
| Radiation Measurements | RADIAT MEAS | 1350-4487 |
| Radiation Medicine | RADIAT MED | 1862-5274 |
| Radiation Oncology | RADIAT ONCOL | 1748-717X |
| Radiation Oncology Journal | RADIATION ONCOLOGY JOURNAL | 2234-3156 |
| Radiation Physics and Chemistry | RADIAT PHYS CHEM | 0969-806X |
| Radiation Protection Dosimetry | RADIAT PROT DOSIM | 0144-8420 |
| Radiation Research | RADIAT RES | 0033-7587 |
| Radiatsionnaya Biologiya Radioekologiya | RADIATSIONNAYA BIOLOGIYA RADIOEKOLOGIYA | 0869-8031 |
| Radiatsionnaya Gygiena | RADIATSIONNAYA GYGIENA | 1998-426X |
| Radical history review | | 0163-6545 |
| Radical Pedagogy | RADICAL PEDAGOGY | 1524-6345 |
| Radical Philosophy | RADICAL PHILOS | 0300-211X |
| Radical Teacher | RADICAL TEACHER | 1941-0832 |
| Radio Electronics Computer Science Control | RADIO ELECTRONICS COMPUTER SCIENCE CONTROL | 1607-3274 |
| Radio Journal | RADIO JOURNAL | 1476-4504 |
| Radio Science | RADIO SCI | 0048-6604 |
| Radiocarbon | RADIOCARBON | 0033-8222 |
| Radiochemistry | RADIOCHEMISTRY | 1066-3622 |
| Radiochimica Acta | RADIOCHIM ACTA | 0033-8230 |
| Radioelectronics and Communications Systems | RADIOELECTRONICS AND COMMUNICATIONS SYSTEMS | 0735-2727 |
| Radioelektronika, Nanosistemy, Informacionnye Tehnologii | RADIOELEKTRONIKA, NANOSISTEMY, INFORMACIONNYE TEHNOLOGII | 2218-3000 |
| Radioengineering | RADIOENGINEERING | 1210-2512 |
| Radiographics | RADIOGRAPHICS | 0271-5333 |
| Radiography | RADIOGRAPHY | 1078-8174 |
| Der Radiologe | RADIOLOGE | 0033-832X |
| Radiologia | RADIOLOGIA | 0033-8338 |
| Radiologia Brasileira | RADIOLOGIA BRASILEIRA | 0100-3984 |
| Radiologia Medica | RADIOL MED | 0033-8362 |
| Radiologic Clinics of North America | RADIOL CLIN N AM | 0033-8389 |
| Radiologic Technology | RADIOLOGIC TECHNOLOGY | 0033-8397 |
| Radiological Physics and Technology | RADIOLOGICAL PHYSICS AND TECHNOLOGY | 1865-0333 |
