| #411 | Rivista piemontese di storia naturale. -- Carmagnola : Museo Civico di Storia Naturale, 1980-. -- ISSN 1121-1423 |
| #412 | Rock mechanics. -- Wien : Springer, 1969-1982. -- ISSN 0035-7448 |
| #413 | Rock mechanics and rock engineering. -- Wien : Springer, 1983-. -- ISSN 0723-2632 print. -- ISSN 1434-453X online |
| #414 | Rock products. -- Overland Park : Intertec Pub., 1964-. -- ISSN 0747-3605 |
| #415 | Rocks and minerals. -- Washington : Heldref Publications, 1926-. -- ISSN 0035-7529 print. -- ISSN 1940-1191 online |
| #416 | Rocky mountain geology. -- Laramie : University of Wyoming, 1962-1998. -- ISSN 0010-7980 |
| #417 | Ropa a uhlie. -- Slovenská republika : Bratislava : Výskumný ústav pre ropu a uhlovodíkové plyny, 1955-1958 |
| #418 | Rudoobrazuvatelni procesi i mineralni nachodišta. -- Sofiâ : Bulgarska akademiâ na naukite, 1975-. -- ISSN 0204-5311 |
| #419 | Rudy. -- Praha : SNTL, Nakladatelství technické literatury, 1953-1991. -- ISSN 0483-5093 |
| #420 | Rudy i Metale Nieżelazne. -- Warszawa : SIGMA NOT, 1956-. -- ISSN 0035-9696 |