There are 6,068 titles that begin with the letter R
- Reproduction in domestic animals. (ISSN: 0936-6768, 1439-0531)
- Reproduction nutrition development. (ISSN: 0926-5287, 1297-9708)
- Reproduction, fertility, and development (ISSN: 1031-3613, 1448-5990)
- Reproductive and Developmental Medicine : 生殖与发育医学(英文版) (ISSN: 2096-2924)
- Reproductive biology and endocrinology : RB & E. (ISSN: 1477-7827)
- Reproductive biology insights. (ISSN: 1178-6426)
- Reproductive biology. (ISSN: 1642-431X, 2300-732X)
- Reproductive biomedicine & society online. (ISSN: 2405-6618)
- Reproductive biomedicine online. (ISSN: 1472-6483, 1472-6491)
- Reproductive health : RH. (ISSN: 1742-4755)
- Reproductive health matters (ISSN: 0968-8080, 1460-9576)
- Reproductive health of woman. (ISSN: 2708-8723, 2708-8731)
- Reproductive medicine and biology. (ISSN: 1445-5781, 1447-0578)
- Reproductive medicine. (ISSN: 2673-3897)
- Reproductive sciences. (ISSN: 1933-7191, 1933-7205)
- Reproductive technologies. (ISSN: 1528-4840)
- Reproductive toxicology. (ISSN: 0890-6238, 1873-1708)
- Reproductive, female and child health. (ISSN: 2768-7228)
- Reproduktivna endokrynolohii͡a. (ISSN: 2309-4117, 2411-1295)
- Reprodução & Climatério (ISSN: 1413-2087)
- Repros Therapeutics Inc. MarketLine Company Profile
- Repsol, S.A. MarketLine Company Profile
- Republic Airways Holdings, Inc. MarketLine Company Profile
- Republic Bancorp, Inc. MarketLine Company Profile
- Republic National Distributing Company MarketLine Company Profile
- Republic of Korea Economic Bulletin
- Republic Services, Inc. MarketLine Company Profile
- Republican China = Min guo. (ISSN: 0893-2344)
- Republics of letters
- Repères (ISSN: 1157-1330, 2263-5947)
- Repères et Perspectives Economiques (ISSN: 2509-0399)
- Repères, cahier de danse. (ISSN: 2112-5147, 2271-7811)
- Repères-Dorif. (ISSN: 2281-3020)
- República y derecho (Mendoza. Impresa) (ISSN: 2545-5982)
- Requirements engineering. (ISSN: 0947-3602, 1432-010X)
- Res academica (ISSN: 0383-0802, 1813-1468)
- Res cogitans. (ISSN: 1603-8509)
- Res diachronicae : anuario de la AJIHLE. (ISSN: 1887-3553)
- Res Facta Nova (ISSN: 1897-824X, 2544-9303)
- ReS Futurae : revue d'Études sur la science-fiction. (ISSN: 2264-6949)
- Res gesta. (ISSN: 0325-772X, 2525-0884)
- Res historica: czasopismo Instytutu Historii UMCS (ISSN: 2082-6060)
- Res IPSA Loquiter
- Res Judicatae
- Res mobilis : revista internacional de investigación en mobiliario y objetos decorativos. (ISSN: 2255-2057)
- Res publica. (ISSN: 1576-4184, 1989-6115)
- Res publica. (ISSN: 1356-4765, 1572-8692)
- Res Rhetorica. (ISSN: 2392-3113)
- Res. (ISSN: 0277-1322, 2327-9621)
- RES. Revista española de sociología (ISSN: 1578-2824)
- ResCare, Inc. MarketLine Company Profile
- ReScience. (ISSN: 2430-3658)
- Rescol : la revue qui mets les TIC à votre service. (ISSN: 1497-5572, 1206-1603)
- Rescue of Tula almanac
- Research (ISSN: 0731-9649)
- Research (ISSN: 0841-9493)
- Research & Education. (ISSN: 2559-2033)
- Research & Humanities in Medical Education (ISSN: 2350-0565)
- Research & knowledge. (ISSN: 2408-204X, 2630-0400)
- Research & politics. (ISSN: 2053-1680)
- Research & practice in assessment. (ISSN: 2161-4210)
- Research & practice in human resource management. (ISSN: 0218-5180)
- Research & Public Policy Series (ISSN: 1836-2079)
- Research & public policy series / Australian institute of Criminology
- Research & teaching in developmental education. (ISSN: 1046-3364)
- Research - Canadian Society for Education through Art. (ISSN: 0384-1839)
- Research / Hrsg. Bayer AG, Konzernverwaltung, Öffentlichkeitsarbeit : das Bayer-Forschungsmagazin [...] [Deutsche Ausgabe] (ISSN: 0179-8618)
- Research : a science partner journal. (ISSN: 2096-5168, 2639-5274)
- Research and clinical medicine (ISSN: 2360-1124, 2537-5393)
- Research and development expenditure in industry (ISSN: 1996-2940, 1813-8152)
- Research and development in education. (ISSN: 2809-0284, 2809-3216)
- Research and development in medical education. (ISSN: 2322-2719)
- Research and Evaluation in Education. (ISSN: 2460-6995)
- Research and exploration (ISSN: 1526-4092)
- Research and Opinion in Anesthesia & Intensive Care (ISSN: 2356-9115, 2356-9123)
- Research and practice for persons with severe disabilities : the journal of TASH. (ISSN: 1540-7969, 2169-2408)
- Research and practice in technology enhanced learning. (ISSN: 1793-2068, 1793-7078)
- Research and practice in thrombosis and haemostasis. (ISSN: 5555-5551, 2475-0379)
- Research and reports in biology. (ISSN: 1179-7274)
- Research and Reports in Focused Ultrasound (ISSN: 2253-2609)
- Research and reports in forensic medical science. (ISSN: 2230-2476)
- 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 transdermal drug delivery. (ISSN: 2253-1580)
- Research and reports in tropical medicine. (ISSN: 1179-7282)
- Research and reports in urology. (ISSN: 2253-2447)
- Research and Review Journal of Nondestructive Testing (ISSN: 2941-4989)
- Research and Reviews in Parkinsonism (ISSN: 2624-3733)
- Research and science today. (ISSN: 2247-4455, 2285-9632)
- Research and theory for nursing practice. (ISSN: 1541-6577, 1945-7286)
- Research at MZES
- Research at Penn
- Research brief (ISSN: 1933-6640, 1933-6659)
- Research briefs on information & communication technology evolution. (ISSN: 2383-9201)
- Research bulletin (ISSN: 1539-5936)
- Research bulletin (ISSN: 1977-0111, 1977-012X)
- Research bulletin. (ISSN: 0424-6144, 2333-8504)
- The Research Centre of the Deutsche Bundesbank (ISSN: 1866-900X, 1866-9018)
- Research chronicle. (ISSN: 1472-3808, 2167-4027)