Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 1987 (1987)

Protecting and enhancing America's forests and rangelands : 1986 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1987)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1879)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1981)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1988)

Pugillus plantarum imprimis Hispanicarum, quas in itinere 1851-52 - Lange, Johan, 1818 -1898 (B. Luno, 1860)

Die Pusztenflora der grossen ungarischen Tiefebene - Woenig, Franz, 1851 -1899 (Verlag von Carl Meyers Graphischem Institut, 1899)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1889)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1897)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1919)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1920)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1923)

Rambles in search of wild flowers, and how to distinguish them - Plues, Margaret (Journal of horticulture and cottage gardener, 1864)

Rastitelʹnyĭ mir Russkikh stepeĭ, polupustynʹ i pustynʹ, ocherki ėkologicheskie i fitosot︠s︡iologicheskie = Die Pflanzenwelt der russischen Steppen, Halbwüsten und Wüsten, Oekologische und phytosociologische studien - N.K.P. Glavnauka Gosudarstvennīĭ Institut Po Izuchenii︠u︡ Zasushlivykh Oblasteĭ. (Red. izd. Kom. N.K.Z, 1923)

Die Raupen der gross-schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (Verlag der C. Hoffmann, 1893)

Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Révision des champignons, tant supérieurs qu'inférieurs trouvés jusqu'à ce jour dans les Pays-Bas - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Mller, 1892)

Reading Naturalist. Reading - Reading Natural History Society. (1949)

Reading Naturalist. Reading - Reading Natural History Society. (1959)

Reading Naturalist. Reading - Reading Natural History Society. (1967)

Reading Naturalist. Reading - Reading Natural History Society. (1982)

Reading Naturalist. Reading - Reading Natural History Society. (1999)

Reading Naturalist. Reading - Reading Natural History Society. (2002)

Reading Naturalist. Reading - Reading Natural History Society. (2003)

Reading Naturalist. Reading - Reading Natural History Society. (2008)

Reading Naturalist. Reading - Reading Natural History Society. (2009)

Reading Naturalist. Reading - Reading Natural History Society. (2012)

Reading Naturalist. Reading - Reading Natural History Society. (2013)

Reading Naturalist. Reading - Reading Natural History Society. (2017)

Reading Naturalist. Reading - Reading Natural History Society. (2018)

Reading Naturalist. Reading - Reading Natural History Society. (2020)

Reading Naturalist. Reading - Reading Natural History Society. (2021)

Reading Naturalist. Reading - Reading Natural History Society. (2022)

Reading Naturalist. Reading - Reading Natural History Society. (2023)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Real Sociedad Española de Historia Natural. Tomo extraordinario publicado con motivo del 50. aniversario de su fundación, 1921 - Sociedad Española de Historia Natural. (Museo Nacional de Ciencias Naturales, 1921)

The recession of the last ice sheet in New England - Antevs, Ernst, 1888 -1974 (American Geographical Society, 1922)

Recherches anatomiques sur les galles : etude de quelques dipterocecidies et acarocecidies - Royal College of Physicians of Edinburgh. (Société d’éditions scientifiques, 1896)

Recherches d'anatomie et de physiologie comparées sur le tube digestif des Homoptères supérieurs - Licent, Emile 1876 -1952. (1912)

Recherches sur la géographie botanique du Lyonnais - Magnin, Antoine, 1848 -1926 (J.-B. Baillière, 1879)

Recherches sur les végétaux fossiles de Meximieux - Marion, A.-F.‏ ‎ (Antoine Fortuné),‏ ‎ 1846 -1900 ([publisher not identified], 1872)

Recherches zoologiques des steppes des Kirguiz - Nazarow, P. S. (Impr. de l'Université Impériale, 1886)

The Record of zoological literature (J. van Voorst, 1866)

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Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1939)

Rectifications et additions à la flore des environs de Rouen - Blanche, Emmanuel, 1824 -1908 (Impr. de A. Peron, 1850)

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

Recueil des mémoires et des travaux - Société botanique du Grand-Duché de Luxembourg. (La Société, 1897)