Official report ... of the ... convention ... - California Fruit Growers' Convention. (1896)

Official report ... of the ... convention ... - California Fruit Growers' Convention. (1902)

Official report ... of the ... convention ... - California Fruit Growers' Convention. (1903)

Official report ... of the ... convention ... - California Fruit Growers' Convention. (1904)

The olive: its culture in theory and practice - Marvin, Arthur Tappan. (Payot, Upham & company, 1888)

One hundred third annual report of the New York State Museum : Charles C. Adams, director - Adams, Charles C. (Charles Christopher), 1873 -1955 (University of the State of New York, 1941)

One thousand objects for the microscope - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (F. Warne, 1869)

One thousand objects for the microscope - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Frederick Warne, 1869)

Opuscula medica, quae reperiri potuere omnia, nunc primo simul edita - Drelincourt, Charles, 1633 -1697 (Apud Alberts & van der Kloot, 1727)

The orange : its culture in California with a brief discussion of the lemon, lime, and other citrus fruits - Spalding, William Andrew, 1852 -1941 (Press and Horticulturist Steam Print, 1885)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

Orchard and farm (Calkins Newspaper Syndicate, 1922)

Orchard and garden diseases, 1908, No. 138 - New Zealand. (New Zealand Government, 1908)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1950)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1933)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1941)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1934)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1942)

Orchard primers - Pennsylvania Railroad. Freight Dept. (Distributed by the Pennsylvania Railroad Co., Freight Dept, 1911)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)

Ornamental gardening in Florida - Simpson, Charles Torrey, 1846 -1932 (The author, 1916)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1909)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1897)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1904)

Outlines of course of instuction in agricultural nature study for the rural schools of California - California Agricultural Experiment Station. (1923)

Outlines of general zoology - Baird, Spencer Fullerton, 1823 -1887 (Rudolph Garrigue, 1851)

Overzicht der schadelijke en nuttige insecten van Java - Koningsberger, J. C. (Jacob Christiaan), 1867 -1951 (G. Kolff & co, 1908)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamphlets on forestry in Maine (1900)

Pamphlets on forestry in Ohio (1900)

Pamphlets on forestry in West Virginia (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1928)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1954)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1957)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1969)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1971)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1992)

Papers on Coccidae or scale insects - United States. Bureau of Entomology. (Government Printing Office, 1908)

Les parasites des habitations humaines et des denrees alimentaires ou commerciales - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (G. Masson, 1895)

Parasitic and predaceous insects in applied entomology - Riley, Charles V. (Charles Valentine), 1843 -1895 (Govt. print. off, 1893)

Le parasitisme et la symbiose - Caullery, Maurice, 1868 -1958 (Doin, 1922)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

A pathological survey of the Para rubber tree (Hevea brasiliensis) in the Amazon Valley - Weir, James R. (James Robert), 1882 -1943 (U.S. Dept. of Agriculture, 1926)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

Peach-growing - Gould, H. P. (The Macmillan company, 1918)

Peach-growing - Gould, H. P. (Macmillan, 1918)

Peach insects of Illinois and their control - Chandler, S. C. (Stewart Curtis), 1889 -1971 (1950)

The peaches of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Company, printers, 1917)

The peaches of New York - Howe, G. H. 1888 - (J.B. Lyon Co., printer, 1917)

Pear growing in California - Weldon, Geo. P. (George Percival), 1880 - (State Print. Off, 1918)

Pear growing in California : a practical treatise designed to cover some of the important phases of pear culture within the state - Weldon, Geo. P. (George Percival), 1880 - (State Print. Off, 1918)

Pennsylvania State Horticultural Association news - State Horticultural Association of Pennsylvania. (The Association, 1924)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde - Kaltenbach, J. H. (Johann Heinrich), 1807 -1876 (J. Hoffmann, 1874)

Pflanzenschutz nach Monaten geordnet; eine Anleitung für Landwirte, Gärtner, Obstbaumzüchter &c - Hiltner, Lorenz (E. Ulmer, 1909)

Die Pflanzenwelt Deutschlands; Lehrbuch der Formations- biologie. Eine Darstellung der Lebensgeschichte der wildwachsenden Pflanzenvereine und der Kulturflächen - Graebner, Paul, 1871 -1933 (Quelle & Meyer, 1909)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1917)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1920)

Physiologie comparee : metamorphoses de l'homme et des animaux - Quatrefages, A. de (Armand), 1810 -1892 (J.B. Baillie`re et Fils, 1862)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1915)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Plant health care for woody ornamentals : a professional's guide to preventing and managing environmental stresses and pests - International Society of Arboriculture. (Cooperative Extension Service, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, 1997)

Plant pest handbook for Connecticut - Britton, Wilton Everett, 1868 -1939 (Connecticut Agricultural Experiment Station, 1933)

Plant-quarantine import restrictions of New Zealand - United States. Office of Experiment Stations. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949)

Plant-quarantine import restrictions of the Kingdom of Egypt - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946)

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1955)

Plants in health and disease : being an abstract of a course of lectures delivered in the University of Manchester during the session 1915-16 - Imms, A. D. (Augustus Daniel), 1880 -1949 (University Press, 1916)

Plants in health and disease, being an abstract of a course of lectures delivered in the University of Manchester during the session 1915/16 - Imms, A. D. (Augustus Daniel), 1880 -1949 (The University press, 1916)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

Plantsman - New Hampshire Plant Growers' Association. (1997)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

Plums and plum culture; a monograph of the plums, cultivated and indigenous in North America. With a complete account of their propagation, cultivation and utilization - Waugh, F. A. (Frank Albert), 1869 -1943 (O. Judd, 1912)

Plums and plum culture; a monograph of the plums cultivated and indigenous in North America - Waugh, F. A. (Frank Albert), 1869 -1943 (Orange Judd company, 1901)

Plums and plum culture; a monograph of the plums cultivated and indigenous in North America, with a complete account of their propagation, cultivation and utilization - Waugh, F. A. (Frank Albert), 1869 -1943 (Orange Judd company, 1901)

The plums of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Company, state printers, 1911)

The plums of New York ... - New York (State). Dept. of Agriculture. (J. B. Lyon company, state printers, 1911)

The plums of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Co., state printers, 1911)

The plums of New York - Hedrick, U. P. (J. B. Lyon Co., State Printers, 1911)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Published by Bill, Nichols & Company, 1872)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one. Embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland ... to Hall's last expedition ... together with the wonderful discoveries, and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (C. A. Nichols, 1875)

The polar and tropical worlds : a popular and scientific description of man and nature in the polar and equatorial regions of the globe : embracing the combined results of all the explorations, researches and discoveries of modern times - Hartwig, G. (Georg), 1813 -1880 (C.A. Nichols, 1876)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Johnson & McClain, 1871)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (A. L. Bancroft, 1871)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1909)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1911)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1893)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)