Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1843)

Rio Blanco Oil Shale Project. Tract C-a / [c]by Rio Blanco Oil Shale Project. no.8, Progress report - CDM/Limnetics. (Rio Blanco Oil Shale Project, 1974)

The river-side naturalist; notes on the various forms of life met with either in, on, or by the water, or in its immediate vicinity. Illus. with numerous woodcuts - Hamilton, Edward, 1815 -1903 (Low, Marston, Searle, & Rivington, 1890)

Rivista di biologia (Università di Perugia, etc, 1919)

Rivista di biologia (Università di Perugia, etc, 1923)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1893)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1901)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1902)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1892)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1903)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1906)

The role of algae and plankton in medicine - Schwimmer, David. (Grune & Stratton, 1955)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1928)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1929)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1923)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1924)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1948)

Round the year : a series of short nature-studies - Miall, L. C. (Louis Compton), 1842 -1921 (Macmillan, 1896)

Round the year; a series of short nature-studies - Miall, L. C. (Louis Compton), 1842 -1921 (Macmillan, 1898)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1897)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1904)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

Rozpravy české akademie císaře Františka Josefa pro vědy, slovesnost a umění. Třída II, Mathematicko-přírodnicka - Česka akademie Císaře Františka Josefa pro vědy slovenost a umění. Třida II: Mathematicko-přírodnická. (1913)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1905)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1903)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1906)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1908)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1909)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1910)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1911)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1912)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1915)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1916)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1921)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1981)

Sanitary entomology; the entomology of disease, hygiene and sanitation - Pierce, W. Dwight (William Dwight), 1881 -1967 (R. G. Badger, 1921)

Die Schmarotzer des Thierreichs - Beneden, P.-J. van (Pierre Joseph), 1809 -1894 (Brockhaus, 1876)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1886)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1890)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1895)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1899)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1904)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1884)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1890)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1905)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1909)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1897)

Die Schwalbe : Berichte des Comité's für ornithologische Beobachtungs-Stationen in Österreich - Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien (K.K. Zoolog.-Botan. Gesellschaft, 1898)

Science - American Association for the Advancement of Science. ([s.n.], 1883)

Science - American Association for the Advancement of Science. ([s.n.], 1893)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1909)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science - American Association for the Advancement of Science. ([s.n.], 1911)

Science bulletin - New South Wales. Department of Agriculture. (The Dept, 1918)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1897)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1900)

The science of life, an outline of the history of biology and its recent advances - Thomson, J. Arthur (John Arthur), 1861 -1933 (Blackie, 1920)

The science of life; an outline of the history of biology and its recent advances - Thomson, J. Arthur (John Arthur), 1861 -1933 (Blackie & son, limited, 1910)

Science progress (John Murray, 1920)

Science progress - Burdett, Henry C., Sir, 1847 -1920 (Scientific Press, 1896)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1914)

Science sketches - Jordan, David Starr, 1851 -1931 (A. C. McClurg and company, 1896)

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

Scientific news for general readers; a popular illustrated weekly journal of science (1888)

Scientific papers and addresses - Rolleston, George, 1829 -1881 (Clarendon Press, 1884)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1997)

The Scottish naturalist (T. Buncle & Co. [etc.], 1914)

The Scottish naturalist (T. Buncle & Co. [etc.], 1915)

The Scottish naturalist (T. Buncle & Co. [etc.], 1917)

The Scottish naturalist (T. Buncle & Co. [etc.], 1920)

The Scottish naturalist (T. Buncle & Co. [etc.], 1926)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1990)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1993)

The sea shore, by W.S. Furneaux ... With eight plates in colour and over three hundred illustrations in the text - Furneaux, William S. (Longmans, Green and Co, 1922)

The seasonal biological surveys of 1971 - University of Michigan. Great Lakes Research Division. (Great Lakes Research Division, University of Michigan, 1974)

Second report on economic zoology - British Museum (Natural History) (British Museum (Natural History), 1904)

Sediment bioassay research and development - Ontario. Environmental Research Program. (Environment Ontario, 1990)

Sediment toxicity in Reach 15 of the Upper Mississippi River : technical report to the Illinois Department of Natural Resources - Illinois. Dept. of Natural Resources. (Illinois Natural History Survey, 1997)

Senescence and rejuvenescence - Child, Charles Manning, 1869 -1954 (Univ. Press, 1915)

Senescence and rejuvenescence - Child, Charles Manning, 1869 -1954 (The University of Chicago Press, 1915)