| #561 | Research in Agricultural Engineering. -- Prague : Czech Academy of Agricultural Sciences, 2000-. -- ISSN 1212-9151 |
| #562 | Research journal of the Water Pollution Control Federation. -- : Water Pollution Control Federation, 1989- |
| #563 | Resource and energy economics. -- Amsterdam : Elsevier Science, 1993-. -- ISSN 0928-7655 |
| #564 | Resource recovery and conservation. -- Amsterdam : Elsevier, 1975-1980. -- ISSN 0304-3967 print. -- ISSN 1878-2779 online |
| #565 | Resources and conservation. -- Amsterdam : Elsevier, 1981-1987. -- ISSN 0166-3097 |
| #566 | Restoration ecology. -- Cambridge : Blackwell, 1993-. -- ISSN 1061-2971 print. -- ISSN 1526-100X online |
| #567 | Reuse recycle : The Monthly Newsletter of Resource Recycling. -- Lancaster : Technomic, 1971-2005. -- ISSN 0048-7457 print. -- ISSN 1531-197X online |
| #568 | Reviews in environmental science and bio-technology. -- Dordrecht : Kluwer Academic Publishers, 2002-. -- ISSN 1569-1705 print. -- ISSN 1572-9826 online |
| #569 | Rohstoff-Rundschau : Fachblatt für Handel, Entsorgung und Recycling von alt- und Restsoffen. Aktuelle Berichte über... -- München : Werk-Verlag Dr. E. Banaschewski, 1946-. -- ISSN 0035-7863 |
| #570 | Rundgespräche der Kommission für Ökologie. -- Münchem : Pfeil, 1990-. -- ISSN 0938-5851 |