There are 6,020 titles that begin with the letter R
- Repères (ISSN: 1157-1330,EISSN: 2263-5947)
- Repères DoRiF (ISSN: 2281-3020)
- Repères et Perspectives Economiques (EISSN: 2509-0399)
- Repères, cahier de danse (ISSN: 2112-5147,EISSN: 2271-7811)
- Requirements Engineering (ISSN: 0947-3602,EISSN: 1432-010X)
- Requirements Engineering for Social Computing (RESC), International Workshop on (ISSN: 2326-6953)
- Requirements Engineering Visualization (REV), International Workshop on (ISSN: 2157-0256,EISSN: 2157-0264)
- RERE (ISSN: 1981-1888)
- Res cogitans (ISSN: 1603-8509)
- Res Diachronicae Virtual (ISSN: 1887-3553)
- Res Facta Nova (ISSN: 1897-824X,EISSN: 2544-9303)
- ReS Futurae (EISSN: 2264-6949)
- Res Gesta (ISSN: 0325-772X,EISSN: 2525-0884)
- Res Historica (ISSN: 2082-6060)
- Res IPSA Loquiter
- Res Judicatae
- Res Mobilis: International Research Journal of Furniture and Decorative Objects (ISSN: 2255-2057)
- Res Publica (ISSN: 1356-4765,EISSN: 1572-8692)
- Res publica (ISSN: 1576-4184,EISSN: 1989-6115)
- Res Rhetorica (ISSN: 2392-3113)
- RES. Revista española de sociología (ISSN: 1578-2824)
- RES: Anthropology and Aesthetics (ISSN: 0277-1322,EISSN: 2327-9621)
- ResCare, Inc. MarketLine Company Profile
- ReScience Journal (EISSN: 2430-3658)
- Rescol (ISSN: 1497-5572,EISSN: 1206-1603)
- Research (ISSN: 0841-9493)
- Research (ISSN: 2096-5168,EISSN: 2639-5274)
- Research (ISSN: 0731-9649)
- Research & Development (ISSN: 1041-8857)
- Research & Education (EISSN: 2559-2033)
- Research & exploration (Earthwatch Institute) (ISSN: 1526-4092)
- Research & Knowledge (ISSN: 2408-204X,EISSN: 2630-0400)
- Research & Politics (EISSN: 2053-1680)
- Research & Public Policy Series (ISSN: 1836-2079)
- Research & public policy series / Australian institute of Criminology
- Research & Reports in Forensic Medical Science (ISSN: 2230-2476)
- Research & Reports in Transdermal Drug Delivery (ISSN: 2253-1580)
- Research (Michigan Technological University)
- Research - Bayer (ISSN: 0179-8618)
- Research - Canadian Society for Education through Art (ISSN: 0384-1839)
- Research Alert (ISSN: 0739-358X)
- Research and Clinical Medicine (ISSN: 2360-1124,EISSN: 2537-5393)
- Research and Development Expenditure in Industry (ISSN: 1996-2940,EISSN: 1813-8152)
- Research and Development in Education (ISSN: 2809-0284,EISSN: 2809-3216)
- Research and Development in Medical Education (ISSN: 2322-2719)
- Research and Evaluation in Education (EISSN: 2460-6995)
- Research and Humanities in Medical Education (EISSN: 2350-0565)
- Research and Innovation in Information Systems (ICRIIS), International Conference on (ISSN: 2324-8149)
- Research and Innovation in Language Learning (ISSN: 2614-5960,EISSN: 2615-4137)
- Research and Opinion in Anesthesia & Intensive Care (ISSN: 2356-9115,EISSN: 2356-9123)
- Research and Practice for Persons With Severe Disabilities (ISSN: 1540-7969,EISSN: 2169-2408)
- Research and Practice in Assessment (ISSN: 2161-4210)
- Research and Practice in Human Resource Management (ISSN: 0218-5180)
- Research and practice in intellectual and developmental disabilities (ISSN: 2329-7018,EISSN: 2329-7026)
- Research and Practice in Technology Enhanced Learning (ISSN: 1793-2068,EISSN: 1793-7078)
- Research and Practice in Thrombosis and Haemostasis (ISSN: 5555-5551,EISSN: 2475-0379)
- Research and Reports in Biology (EISSN: 1179-7274)
- Research and Reports in Medicinal Chemistry (ISSN: 2230-5238)
- Research and Reports in Neonatology (ISSN: 1179-9935)
- Research and reports in nuclear medicine (ISSN: 2230-228X)
- Research and Reports in Tropical Medicine (EISSN: 1179-7282)
- Research and Reports in Urology (ISSN: 2253-2447)
- Research and Reviews in Parkinsonism (EISSN: 2624-3733)
- Research and Science Today (ISSN: 2247-4455,EISSN: 2285-9632)
- Research and Teaching in Developmental Education (ISSN: 1046-3364,EISSN: 2767-4320)
- Research and Technology Advances in Digital Libraries (ADL), International Forum on (ISSN: 1092-9959,EISSN: 2378-7104)
- Research at MZES
- Research at Penn
- Research brief (ISSN: 1933-6640,EISSN: 1933-6659)
- Research Briefs on Information & Communication Technology Evolution (EISSN: 2383-9201)
- Research Bulletin (ISSN: 1496-3612,EISSN: 1496-3620)
- Research bulletin (ISSN: 0424-6144,EISSN: 2333-8504)
- Research bulletin (ISSN: 1977-0111,EISSN: 1977-012X)
- Research bulletin - Arkansas Agricultural Experiment Station (ISSN: 1539-5936)
- The Research Centre of the Deutsche Bundesbank (ISSN: 1866-900X,EISSN: 1866-9018)
- Research Challenges in Information Science, RCIS, International Conference on (ISSN: 2151-1349,EISSN: 2151-1357)
- Research Connections in Special Education
- The Research Data Centres information and technical bulletin (ISSN: 1710-2197)
- Research Data Journal for the Humanities and Social Sciences (EISSN: 2452-3666)
- Research Design Review [BLOG]
- Research Directions: Biotechnology Design (EISSN: 2752-9452)
- Research Directions: Cyber-Physical Systems (EISSN: 2753-8516)
- Research Directions: One Health (EISSN: 2752-9460)
- Research Directions: Quantum Technologies (EISSN: 2752-9444)
- Research Enterprise
- Research eSeries (ISSN: 2332-4910)
- Research Ethics Review (ISSN: 1747-0161,EISSN: 2047-6094)
- Research EU Focus (ISSN: 1831-1903)
- Research eu. Results magazine. (ISSN: 1831-9947)
- Research eu. Special issue (ISSN: 1830-7981,EISSN: 1830-7361)
- Research Evaluation (ISSN: 0958-2029,EISSN: 1471-5449)
- Research for action (ISSN: 1239-6761)
- Research for All (ISSN: 2399-8121)
- Research for Educational Reform
- Research for rural development (ISSN: 1691-4031,EISSN: 2255-923X)
- Research horizons (ISSN: 1060-6696,EISSN: 1521-1843)
- Research Horizons (ISSN: 2229-385X)
- Research Ideas and Outcomes (EISSN: 2367-7163)
- Research in accounting regulation (ISSN: 1052-0457)
- Research in African Literatures (ISSN: 0034-5210,EISSN: 1527-2044)