Raffles Bull. Zool. - -	Raffles Bulletin of Zoology
Rapid Commun. Mass Spectrom. - -	Rapid Communications in Mass Spectrometry
Rasteniev`dni Nauki - -	Rasteniev`dni Nauki
Rec. Nat. Prod. - -	Records of Natural Products
Rec. Trav. Chim. Pays-Bas - -	Recueil des Travaux Chimiques des Pays-Bas
Recueil - -	Recueil des Travaux Chimiques des Pays-Bas
Redia - -	Redia
Reprod. - -	Reproduction
Res. Bull. - -	Research Bulletin Hokkaido University Forest
Res. Bull. - -	Research Bulletins of the College Experiment Forests -Hokkaido University
Res. Bull. Plant Prot. - -	Research Bulletin of the Plant Protection Service Japan
Res. J. Med. Med. Sci. - -	Research Journal of Medicine and Medical Sciences
Res. Paper - -	Research Paper Pacific Northwest Research Station
Res. Rep. Med. Chem. - -	Research and Reports in Medicinal Chemistry
Res. Rep. Rural Dev. Adm. - -	Research Report to Rural Development Administration. Suwon, Korea
Res. Vet. Sci. - -	Research in Veterinary Science
Rev. Biol. Mar. Oceanogr. - -	Revista de Biología Marina y Oceanografía
Rev. Biol. Trop. - -	Revista de Biologia Tropical
Rev. Bras. Biol. - -	Revista Brasileira de Biologia
Rev. Bras. Entomol. - -	Revista Brasileira de Entomologia
Rev. Bras. Farmacogn. - -	Revista Brasileira de Farmacognosia
Rev. Ceres - -	Revista Ceres
Rev. Ciencia Agron. - -	Revista Ciencia Agronomica
Rev. Col. Entomol. - -	Revista Colombiana de Entomologia
Rev. Cub. Med. Trop. - -	Revista Cubana de Medicina Tropical
Rev. Fac. Cienc. Agrar. - -	Revista de la Facultad de Ciencias Agrarias
Rev. Latinoam. Quim. - -	Revista Latinoamericana de Quimica
Rev. Padurilor - -	Revista Padurilor
Rev. Pure Appl. Chem. - -	Reviews of Pure and Applied Chemistry
Rev. Roum. Biol. Ser. Biol. Anim. - -	Revue Roumaine de Biologie, Série de Biologie Animale
Rev. Soc. Quim. Peru - -	La Revista de la Sociedad Quimica del Peru
Rev. Suisse Vitic. Arboric. - -	Revue Suisse de Viticulture et Arboriculture
Rev. Theob. - -	Revista Theobroma
Rev. Zool. Agric. Pathol. Vég. - -	Revue de Zoologie Agricole et de Pathologie Végétale
Revista CENIC Ciencias Química - -	Revista CENIC Ciencias Química
Rhod. J. Agric. Res. - -	Rhodesian Journal of Agricultural Research
Rocz. Nauk Roln. - -	Roczniki Nauk Rolniczych Seria E, Ochrona Roslin
RSC Adv. - -	Royal Society of Chemistry Advances
Russ. Chem.Bull. Int. Ed. - -	Russian Chemical Bulletin International Edition
Russian Chem. Bull. - -	Russian Chemistry Bulletin
Russian J. Bioorg. Chem. - -	Russian Journal of Bioorganic Chemistry
Russian J. Ecol. - -	Russian Journal of Ecology
Russian J. Plant Physiol. - -	Russian Journal of Plant Physiology