| #1511 | Remedia populi. -- Praha : Panax, 1997-1998. -- ISSN 1211-698X |
| #1512 | Rendiconti della Societa Chimica Italiana. -- Itálie - Italy : Rendiconti della Societa Chimica Italiana Naklad.údaje Roma : Tipografia Italia, 1900-7199 |
| #1513 | Repertorium der analytischen Chemie für Handel, Gewerbe und öffentliche Gesundheitspflege. -- Německo -Germany : Leipzig : L. Voss,, 1881-1885. -- ISSN 0932-1942 |
| #1514 | Repertorium der analytischen Chemie : Wochenblatt für die gesamte angewandte Chemie. -- : Hamburg : L. Voss, 1886-1887. -- ISSN 0932-1950 |
| #1515 | Report of ionosphere and space research in Japan = Denriso chokoso taiki kenkyu hokokushi. -- Japonsko : Tokyo : Science Council of Japan, 1959-1976. -- ISSN 0034-4672 |
| #1516 | Reporter : international. -- Buchs : Sigma-Aldrich, 2000- |
| #1517 | Reporter for Europe. -- Bellefonte : Supelco |
| #1518 | Reports of the Institute of Fluid Science, Tohoku University. -- Sendai : Tohoku University, 1990-. -- ISSN 0916-2879 |
| #1519 | Reports of the Institute of Physical and Chemical Research. -- : Institute of Physical and Chemical Research, 1958-. -- ISSN 0020-3084 |
| #1520 | Reports on the Progress of Applied Chemistry. -- London : Society of Chemical Industry, 1916-1976. -- ISSN 0370-6648 |