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Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1892)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1894)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1896)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1902)

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Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1949)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1947)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1957)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1983)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1984)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1987)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1989)

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Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1899)

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Proceedings of the XIIIth Congress of Arachnology : Geneva, 3-8 September 1995 - Mahnert, Volker. ([s.n.], 1996)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1872)

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

Procès-verbaux - Société Linnéenne de Bordeaux. (1905)

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Prodrom der Waldstätter Gefässpflanzen - Rhiner, Joseph, 1830? -1897 (J. Bürgler, 1870)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodrome de la flore du Grand-Duché de Luxembourg - Koltz, J. P. J. (Jean Pierre Joseph), 1827 -1907 (L. Schamburger, 1873)

Prodrome de la flore du plateau central de la France ... - Lamotte, Martial, 1820 -1883 (G. Masson, 1877)

Prodromus der Flora der preussischen Rheinlande : erste Abtheilung, Phanerogamen ... - Wirtgen, Philipp Wilhelm, 1806 -1870 (Henry & Cohen, 1842)

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)

Prodromus florae argentoratensis - Spielmann, Jacob Reinbold, 1722 -1783 (Apud J.G. Bauerum, 1766)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

The production of field crops, a textbook of agronomy - Hutcheson, Thomas Barksdale, 1882 - (McGraw-Hill, 1948)

Productive farm crops - Montgomery, E. G. (Edward Gerrard), 1878 - (Lippincott, 1918)

Productive farm crops - Montgomery, E. G. (Edward Gerrard), 1878 - (J.B. Lippincott company, 1916)

Productive farm crops - Montgomery, E. G. (Edward Gerrard), 1878 - (J. B. Lippincott, 1922)

Productive feeding of farm animals - Woll, F. W. (Fritz Wilhelm), 1865 -1922 (J. B. Lippincott Company, 1916)

Productive feeding of farm animals - Woll, F. W. (Fritz Wilhelm), 1865 -1922 (J. B. Lippincott Company, 1921)

Productive feeding of farm animals - Woll, F. W. (Fritz Wilhelm), 1865 -1922 (J.B. Lippincott company, 1915)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1905)

The protection of beans, peas and lentils, 1979-April 1990 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (National Agricultural Library, 1990)

The protection of hays, 1979-85 : citations from Agricola concerning diseases and other environmental consideration - National Agricultural Library (U.S.) (United States Dept. of Agriculture, National Agricultural Library, 1986)

The protection of small grains, other than wheat, rice, or sorghums, 1979-April 1990 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1990)

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

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[Publications on plant pathology from Cornell Agricultural Experiment Station Memoirs, collected by H.S. Jackson.] - Jackson, H. S. (Herbert Spencer), 1883 -1951 (Cornell University], 1915)

qing hai jing ji zhi wu zhi 青海经济植物志 - Guo, Benzhao (郭本兆) (qing hai ren min chu ban she青海人民出版社, 1987)

Quality seeds, plants bulbs and garden supplies : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tether & Don, 1931)

The Quarterly journal of science (J. Churchill and Sons, etc, 1868)

Quarterly summary of re-identifications, January, February, March 1963 : Summary No. 12 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

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Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1921)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1936)

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range species recommended for sowing on cleared brushland in California - Berry, Lester J., 1909 -2001 (California Forest and Range Experiment Station, 1956)

Ratekin's annual 1916. 32nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ratekin's Seed House, 1916)

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)

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Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1915)

Reference book for home and garden lovers. spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1946)

Reference book for home and garden lovers, spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1945)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1939)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1934)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1937)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1938)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1933)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1936)

Reference book for home and nature lovers : 100 years of progress and service, 1842-1942 : our 100th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1942)

Reference book for home and nature lovers, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1935)

Reference book for home and nature lovers, nineteen forty-one - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1941)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

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Reliable seed produce beautiful flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1896)

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Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1845)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

Report - British Columbia Provincial Museum. (1917)

Report - Lawes Agricultural Trust Committee (Lawes Agricultural Trust [etc.], 1921)

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Report and proceedings of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1898)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

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Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

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Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1882)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1883)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1893)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1897)

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Revue des sciences naturelles (1876)