There are 6,083 titles that begin with the letter R
- Research in statistics. (ISSN: 2768-4520)
- Research in the mathematical sciences. (ISSN: 2522-0144, 2197-9847)
- Research in the schools : a nationally refereed journal sponsored by the Mid-South Educational Research Association and the University of Alabama. (ISSN: 1085-5300)
- Research in the teaching of English. (ISSN: 0034-527X, 1943-2348)
- Research in transportation business & management. (ISSN: 2210-5395, 2210-5409)
- Research in transportation economics. (ISSN: 0739-8859, 1875-7979)
- Research in urbanism series. (ISSN: 1875-0192, 1879-8217)
- Research in veterinary science. (ISSN: 0034-5288, 1532-2661)
- Research in virology. (ISSN: 0923-2516, 1879-1417)
- Research in Western Iranian Languages & Dialects (ISSN: 2345-2579, 2676-573X)
- Research information. (ISSN: 1744-8026)
- Research initiative, treatment action : RITA. (ISSN: 1520-8745, 2163-6842)
- Research integrity and peer review. (ISSN: 2058-8615)
- Research intelligence. (ISSN: 0307-9023)
- Research into higher education abstracts. (ISSN: 0034-5326, 1467-5862)
- Research involvement and engagement. (ISSN: 2056-7529)
- Research journal of agricultural science. (ISSN: 2066-1843)
- Research journal of agronomy (ISSN: 1815-9354, 1993-6060)
- Research journal of animal sciences (ISSN: 1993-5269, 1994-4640)
- Research journal of applied sciences (ISSN: 1815-932X, 1993-6079)
- Research journal of botany. (ISSN: 1816-4919, 2152-0461)
- Research journal of business management. (ISSN: 1819-1932, 2152-0437)
- Research journal of cardiology. (ISSN: 1819-3404, 2151-8297)
- Research Journal of Chemical Sciences
- Research Journal of Dairy Sciences (ISSN: 1993-5277)
- Research journal of environmental sciences. (ISSN: 1819-3412, 2151-8238)
- Research journal of environmental toxicology (ISSN: 1819-3420)
- Research journal of health sciences. (ISSN: 2467-8252, 2360-7793)
- Research journal of Life Science. (ISSN: 2355-9926)
- Research journal of medical sciences (ISSN: 1815-9346, 1993-6095)
- Research journal of microbiology (ISSN: 1816-4935)
- Research journal of pharmacognosy. (ISSN: 2345-4458, 2345-5977)
- Research journal of pharmacology (ISSN: 1815-9362, 1993-6109)
- Research journal of phytochemistry. (ISSN: 1819-3471, 2151-6081)
- Research journal of poultry sciences (ISSN: 1993-5285)
- Research journal of soil biology. (ISSN: 1819-3498, 2151-6162)
- Research journal of the Water Pollution Control Federation. (ISSN: 1047-7624, 2327-7475)
- Research letters in biochemistry. (ISSN: 1687-6709, 1687-6717)
- Research letters in inorganic chemistry. (ISSN: 1687-6806, 1687-6814)
- Research letters in materials science. (ISSN: 1687-6822, 1687-6830)
- Research letters in organic chemistry. (ISSN: 1687-6865, 1687-6938)
- Research letters in physical chemistry. (ISSN: 1687-6873, 1687-6881)
- Research letters in physics. (ISSN: 1687-689X, 1687-6903)
- Research letters in signal processing. (ISSN: 1687-6911, 1687-692X)
- Research library issues. (ISSN: 1947-4911)
- Research management. (ISSN: 0034-5334, 2574-1497)
- Research matters. (ISSN: 1203-3308)
- Research memoranda
- Research memorandum series (ISSN: 0002-788X)
- Research Methods in Applied Linguistics (ISSN: 2772-7661)
- Research methods in medicine & health sciences. (ISSN: 2632-0843)
- Research money. (ISSN: 0833-1677)
- Research news reporter
- Research Newsletter
- Research newsletter (ISSN: 0557-3920)
- Research note PNW (ISSN: 0737-7150)
- Research note RMRS-RN
- Research notes (ISSN: 1209-0379)
- Research notes / University of Cambridge : Cambridge English Language Assessment (ISSN: 1756-509X)
- Research notes in Shaykhi, Babi and Baha'i studies
- Research on ageing and social policy. (ISSN: 2014-671X)
- Research on aging. (ISSN: 0164-0275, 1552-7573)
- Research on biomedical engineering. (ISSN: 2446-4732, 2446-4740)
- Research on chemical intermediates. (ISSN: 0922-6168, 1568-5675)
- Research on child and adolescent psychopathology. (ISSN: 2730-7166, 2730-7174)
- Research on Children and Social Interaction (ISSN: 2057-5807, 2057-5815)
- Research on education and media. (ISSN: 2037-0830, 2037-0849)
- Research on Finnish Society. (ISSN: 1796-8739)
- Research on language and computation. (ISSN: 1570-7075, 1572-8706)
- Research on social work practice. (ISSN: 1049-7315, 1552-7581)
- Research on Steiner education. (ISSN: 1891-6511)
- Research opportunities in Renaissance drama : the report of the Modern Language Association conference. (ISSN: 0098-647X)
- Research paper (ISSN: 1810-2611)
- Research paper (Research Division, NATO Defense College. Online) (ISSN: 2076-0949, 2076-0957)
- Research paper - Centre for Urban and Community Studies. University of Toronto (ISSN: 0316-0068)
- Research paper / School of Management and Business
- Research paper series (ISSN: 0734-5976)
- Research paper SRS
- Research paper. (ISSN: 1446-9863, 1446-9871)
- Research papers Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava. (ISSN: 1336-1589, 1338-0532)
- Research papers in language teaching and learning. (ISSN: 1792-1244)
- Research plan (ISSN: 1327-7286)
- Research policy. (ISSN: 0048-7333, 1873-7625)
- Research practitioner. (ISSN: 1528-0330)
- Research profiles
- Research program in finance working paper : RPF
- Research progress report (ISSN: 0090-8142)
- Research quarterly for exercise and sport. (ISSN: 0270-1367, 2168-3824)
- Research report (ISSN: 1539-5944)
- Research report (ISSN: 0886-7372)
- Research report (ISSN: 1041-5505, 2688-6855)
- Research report (ISSN: 0589-9036)
- Research report (ISSN: 1026-0862)
- Research report - New South Wales Law Reform Commission (ISSN: 0817-7570)
- Research Report / Department of Economics, Social Science Centre, The University of Western Ontario
- Research report / Hemholtz Zentrum für Infektionsforschung (ISSN: 1865-9721, 1865-9713)
- Research report / Max Planck Institute for the History of Science
- Research Report / University of Cape Town
- Research report /South East Health
- Research report. (ISSN: 0898-2236)