| Radiochemistry | Springer Nature Journals | Springer Nature | Physical and Theoretical Chemistry | 2001 | current | 
          
                                                                                        | Radioelectronics and Communications Systems | Springer Nature Journals | Springer Nature | Electrical and Electronic Engineering | 2007 | current | 
          
                                                                                        | Radiography | Elsevier ScienceDirect Journals | W.B. Saunders | Radiology Nuclear Medicine and imaging | 1995 | Current | 
          
                                                                                        | Radiología (English Edition) | Elsevier ScienceDirect Journals | Elsevier Doyma | Radiology Nuclear Medicine and imaging | 2010 | Current | 
          
                                                                                        | Radiological Physics and Technology | Springer Nature Journals | Springer Nature | Radiology Nuclear Medicine and imaging; Physical Therapy, Sports Therapy and Rehabilitation; General Medicine; Radiation | 2008 | current | 
          
                                                                                        | Radiophysics and Quantum Electronics | Springer Nature Journals | Springer Nature | Education; Multidisciplinary | 1997 | current | 
          
                                                                                        | Radiotherapy and Oncology | Elsevier ScienceDirect Journals | Elsevier | Radiology Nuclear Medicine and imaging; Oncology; Hematology | 1995 | Current | 
          
                                                                                        | Railroad History | JSTOR | Railway & Locomotive Historical Society (R&LHS) | History ; Social Sciences ; Transportation Studies | 1972 | Current ( With 6 year embargo) | 
          
                                                                                        | Railway Electrification Seminar | IEL Online | IET | Power, Energy and Industry Applications | 2017-01-23 |  | 
          
                                                                                        | Railway Safety Assurance. Management and Method in a Safe Network | IEL Online | IET | Transportation | 2015-06-08 |  | 
          
                                                                                        | RAIN | JSTOR | Royal Anthropological Institute of Great Britain and Ireland | Anthropology ; Social Sciences | 1974 | 1984 | 
          
                                                                                        | Rajagiri Journal Of Social Development | IndianJournals.com | IndianJournals | Development; Developmental and Educational Psychology; General Social Sciences; Geography, Planning and Development | 2022 | Current | 
          
                                                                                        | RAMS '06. Annual Reliability and Maintainability Symposium, 2006. | IEL Online | IEEE | General Topics for Engineers | 2006-08-28 |  | 
          
                                                                                        | Random Structures And Algorithms | Wiley Journals | John Wiley and Sons Ltd | Computer Graphics and Computer-Aided Design; Software; Applied Mathematics; General Mathematics | 1997 | Current | 
          
                                                                                        | Rangeland Ecology & Management | Elsevier ScienceDirect Journals | Elsevier | Ecology; Nature and Landscape Conservation; Animal Science and Zoology; Management, Monitoring, Policy and Law | 2005 | Current | 
          
                                                                                        | Rangelands | Elsevier ScienceDirect Journals | Elsevier | Ecology; Management, Monitoring, Policy and Law; Geography, Planning and Development | 2005 | Current | 
          
                                                                                        | Rapid Communications In Mass Spectrometry | Wiley Journals | John Wiley & Sons. | Organic Chemistry; Spectroscopy; Analytical Chemistry | 1997 | Current | 
          
                                                                                        | Rapid Product Development Association of South Africa - Robotics and Mechatronics - Pattern Recognition Association of South Africa (RAPDASA-RobMech-PRASA) | IEL Online | IEEE | Aerospace | 2021 |  | 
          
                                                                                        | Rapid Prototyping Journal | Emerald Publishing Journals | Emerald Publishing | Mechanical Engineering; Industrial and Manufacturing Engineering | 1995 | current | 
          
                                                                                        | Rare Metals | Springer Nature Journals | Springer Nature | Metals and Alloys; General Materials Science | 2009 | current |