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| #522 | Research policy : a journal devoted to research policy, research management and planning. -- Amsterdam : Elsevier Science, 1971-. -- ISSN 0048-7333 print. -- ISSN 1873-7625 online |
| #523 | Research reports from the Netherlands : Newsletter for the media. -- Hague : Netherlands Organisation for Scientific Research, 1991-. -- ISSN 0927-880X |
| #524 | Research technology management. -- Washington : Industrial Research Institute, 1988-. -- ISSN 0895-6308 print. -- ISSN 1930-0166 online |
| #525 | Review of physics in technology. -- London : Institute of Physics, 1970-1972. -- ISSN 0034-6683 |
| #526 | Review of Progress in Coloration and Related Topics. -- : Society of Dyers and Colourists, 1970-2005. -- ISSN 0557-9325 |
| #527 | Revista de Educacion de las Ciencias. -- Bogota : Fundacion Revista de Eduacacion de las Ciencias, 1999-. -- ISSN 0124-5481 |
| #528 | Revista IEEE América Latina. -- New York : Institute of Electrical and Electronics Engineers, 2003-. -- ISSN 1548-0992 |
| #529 | Russian mathematical surveys. -- London : Distributed by Cleaver-Hume Press, 1960-. -- ISSN 0036-0279 print. -- ISSN 1468-4829 online |
| #530 | Sborník Přírodovědecké společnosti v Mor. Ostravě. -- Česká republika : Moravská Ostrava : Přírodovědecká společnost, 1921-1936. -- ISSN 1211-8982 |