Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1983)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1988)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1986)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1989)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1997)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1997)

Journal of the New York Entomological Society - New York Entomological Society. (Allen Press [etc.], 1986)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1890)

Die Käfer von Nassau und Frankfurt - Heyden, Lucas Friedrich Julius Dominicus von, 1838 - (Julius Niedner, 1877)

Die Käfer von Nassau und Frankfurt - Heyden, Lucas Friedrich Julius Dominicus von, 1838 - (Julius Niedner, 1877)

Keys to the insects of the European USSR. (Opredelitel nasekomykh Evropeiskoi chasti SSSR) - Bykhovskiĭ, B. E. (Boris Evseevich), 1908 -1974 (Israel Program for Scientific Translations; [available from U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1995)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1889)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1889)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1889)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1889)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1889)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehre vom Waldschutz. 6. Aufl., hrsg. von Hermann Fürst - Fürst, Hermann Heinrich, (P. Parey, 1902)

Lehre vom Waldschutz. 6. Aufl., hrsg. von Hermann Fürst - Fürst, Hermann Heinrich, (P. Parey, 1902)

Leitfaden der Forstinsektenkunde - Nüsslin, Otto, 1850 -1915 (Verlagsbuchhandlung Paul Parey, SW., Hedemannstrasse 10, 1905)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1971)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1971)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1987)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1987)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1982)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1982)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1982)

A List of the insects of New York : with a list of the spiders and certain other allied groups - Leonard, Mortimer Demarest, 1890 - (Cornell University, 1928)

A List of the insects of New York : with a list of the spiders and certain other allied groups - Leonard, Mortimer Demarest, 1890 - (Cornell University, 1928)

A manual of British Coleoptera, or beetles : containing a brief description of all the species of beetles hitherto ascertained to inhabit Great Britain and Ireland together wth a notice of their chief localities, times and places of appearances, etc - Stephens, James Francis, 1792 -1853 (Longman, Orme, Brown, Green, and Longmans, 1839)

A manual of British Coleoptera, or beetles : containing a brief description of all the species of beetles hitherto ascertained to inhabit Great Britain and Ireland together wth a notice of their chief localities, times and places of appearances, etc - Stephens, James Francis, 1792 -1853 (Longman, Orme, Brown, Green, and Longmans, 1839)

A manual of British Coleoptera, or beetles : containing a brief description of all the species of beetles hitherto ascertained to inhabit Great Britain and Ireland together wth a notice of their chief localities, times and places of appearances, etc - Stephens, James Francis, 1792 -1853 (Longman, Orme, Brown, Green, and Longmans, 1839)

Manual of entomology : with special reference to economic entomology - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Longmans, Green & Co, 1923)

Manual of entomology : with special reference to economic entomology - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Longmans, Green & Co, 1923)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1907)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1895)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1895)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1895)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (Lamertin, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1900)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1900)

Mémoires de l'Académie des sciences, belles-lettres & arts de Lyon Classe des sciences - Académie des sciences, belles-lettres et arts de Lyon. (J.B. Baillière, 1883)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1878)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1942)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1893)

Münchner koleopterologische Zeitschrift (Verlag der Redaction, 1908)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Muzeum imienia Dzieduszyckich we Lwowie - Muzeum imienia Dzieduszyckich we Lwowie. (Muzeum imienia Dzieduszyckich, 1886)

Natural history - American Museum of Natural History (American Museum of Natural History, 1981)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1956)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1956)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1908)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1918)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1918)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1921)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1878)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1837)

Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1837)

A new British flora : British wild flowers in their natural haunts - Horwood, A. R. (Arthur Reginald), 1879 -1937 (Gresham, 1919)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1935)

Nomenclator coleopterologicus: eine etymologische Erklärung sämtlicher Gattungs- und Artnamen der Käfer, die deutschen Faunengebietes - Schenkling, Sigmund, 1865 -1946 (H. Beckhold, 1894)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

Pamphlets on forestry in Canada (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

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Papers from the Department of forest entomology - Osborn, Herbert 1856 -1954 (1922)

Papers from the Department of Forest Entomology - New York. College of Forestry, Syracuse. Dept. of Forest Entomology. (The University, 1922)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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