The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1903)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1905)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1907)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1915)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1916)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1922)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2018)

Proceedings of the Natural History Association of Miramichi - Natural History Association of Miramichi. (The Association, 1899)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1866)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1867)

Proceedings of the Newport Natural History Society - Newport Natural History Society. (The Society, 1884)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2011)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1880)

Proceedings of the Philosophical Society of Glasgow - Philosophical Society of Glasgow.

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1902)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1875)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1883)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1893)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1910)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1914)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

Proceedings of the third International Symposium on Biological Control of Arthropods : Christchurch, New Zealand, February 8-13, 2009 - Mason, P G (USDA Forest service, 2009)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1927)

Proceedings : Sagebrush Steppe Ecosystems Symposium : Boise State University, Boise, Idaho, June 21-23, 1999 - DeBolt, Ann (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1999)

Procès-verbaux - Société Linnéenne de Bordeaux. (1895)

Prodromus der Flora von Böhmen. Enthaltend die Beschreibungen und Verbreitungsangaben der wildwachsenden und im Freien kultivirten Gefässpflanzen des Königreiches ... - Celakovský, Ladislav Josef, 1834 -1902 (Selbstverlag des Comité's, 1867)

A progress report on the investigations of the European corn borer - Caffrey, D. J. (U.S. Dept. of Agriculture, 1927)

Proposed resource management plan and final environmental impact statement for public lands administered by the Bureau of Land Management Rawlins Field Office, Rawlins, Wyoming - United States. Environmental Protection Agency. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

A provisional list of the parasitic fungi of Wisconsin - Davis, John Jefferson. (1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1901)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1902)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1976)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1896)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1900)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1962)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1984)

La punaise terne et la production de fraises - Bostanian, Noubar J. (Direction générale de la recherche, Agriculture Canada, 1994)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1973)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1974)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

Qualitative alkaloid tests - Schubert, Bernice, 1913 -2000 (1954)

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

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

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

Range and wildlife habitat evaluation : a research symposium, Flagstaff and Tempe, Ariz., May 1968 - United States. Branch of Range; Wildlife Habitat Ecology; Management Research. (U.S. Dept. of Agriculture, Forest Service, 1970)

Rapid ecological assessment of selected state lands in southcentral Montana for plant species of special concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

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

Raupenkalender, oder systematisches Verzeichniss aller Raupen so in Deutschland bekant sind - Schott, J. J. (P. H. Guilhauman, 1829)

Raupenkalender oder Systematisches Verzeichniss aller Raupen, welche in Deutschland bekannt sind - Schott, J. J. (P.H. Guilhauman, 1830)

A reader in botany - Moore, Jane Newell, 1857 -1945 (Ginn & Co, 1898)

Reading Naturalist. Reading - Reading Natural History Society.

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

Recognizing plant families of the west : field guide - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2021)

A record of the fungi named by J.B. Ellis - United States. Bureau of Plant Industry, Soils,; Agricultural Engineering. (Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Dept. of Agriculture, 1952)

Records of general science

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

Redband trout (Oncorhynchus mykiss gairdneri) : population and stream habitat surveys in western Owyhee County, Idaho - Allen, Dale B. (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1997)

Reevaluation of vegetational characteristics at the CERC Field Research Facility, Duck, North Carolina - Coastal Engineering Research Center (U.S.). Field Research Facility. (The Center, 1983)

Les remèdes des champs : herborisations pratiques a l'usage des instituteurs, des ecclésiastiques et de tous ceux qui donnent leurs soins aux malades - Saffray, Charles, 1838 - (Hachette, 1883)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1895)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1900)

Report of botanical survey of southern and central Louisiana made during the year 1870 - Featherman, A. (Americus), 1822 - (Printed at the office of the Republican, 1871)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1864)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1867)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1935)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1937)

Report of the East Kent Natural History Society - East Kent Natural History Society. (1859)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1877)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1905)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1911)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1912)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1913)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1914)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1909)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1912)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1916)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1885)

Report on botanical work in Minnesota for the year 1886 - Arthur, Joseph Charles, 1850 -1942 (Pioneer Press Co, 1887)

Report on economic biology - Collinge, Walter E. (Walter Edward), 1867 -1947 (The Midland Educational Co, 1911)

Report on the agriculture and geology of Mississippi. Embracing a sketch of the social and natural history of the state - Mississippi. State Geologist. (E. Barksdale, State Printer, 1854)

Report on the conservation status of Grindelia howellii, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1986)

Report on the conservation status of Lesquerella carinata var. languida, a candidate threatened species - Montana Natural Heritage Program. ([Montana Natural Heritage Program], 1995)

Report on the conservation status of Penstemon lemhiensis, a candidate threatened species : Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Report on the indigenous medical botany of Massachusetts - Williams, Stephen W. (Stephen West), 1790 -1855 (1849)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

Report upon the fauna of Liverpool Bay and the neighboring seas - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Longmans, Green, 1892)

Reports and transactions - Cardiff Naturalists' Society.

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1910)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state - Comstock, Anna Botsford, 1854 -1930 (C. Van Benthuysen, printer [etc.], 1856)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing company, 1905)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1981)

Resources of the southern fields and forests, medical, economical, and agricultural : being also a medical botany of the Confederate States; with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural being also a medical botany of the Confederate States : with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural - Porcher, Francis Peyre, 1825 -1895 (Walker, Evans & Cogswell, printers, 1869)

Restoration of ecosystem health in southwestern forests : comprehensive report - United States. Bureau of Land Management. (Northern Arizona University, College of Ecosystem Science and Management, Ecological Restoration Institute, 2000)

Review and annotated bibliography of feral burro literature - Cooperative National Park Resources Studies Unit (Las Vegas, Nev.) (Cooperative National Park Resources Studies Unit, University of Nevada, Las Vegas, 1993)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1915)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

A revision of Bastin's College botany for the use of students of pharmacy - Bastin, Edson S. (Edson Sewell), 1843 -1897 (G. P. Engelhard & co, 1920)

Revisionary studies in the Nearctic Decticinae - Birchim, James D. (Pacific Coast Entomological Society, California Academy of Sciences, 1968)

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid, 1920)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1912)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1884)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1897)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1883)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1887)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1891)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1895)