An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill book company, inc, 1921)

An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill, 1921)

Introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill Book Company, inc, 1934)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (Comstock, 1949)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co, 1920)

An introduction to entomology - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme & Brown, 1818)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co., inc, 1933)

An introduction to entomology : or, Elements of the natural history of insects : comprisng an account of noxious and useful insects, of their metamorphoses, food, strategems, habitations, societies, motions, noises, hybernation, instinct, etc. etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, and Longmans, 1843)

An introduction to entomology : or, Elements of the natural history of insects, comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans & Roberts, 1857)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1816)

An introduction to entomology: or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans, & Roberts, 1860)

An introduction to entomology; or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Longman, Rees, Orme, Brown, and Green, 1828)

An introduction to entomology: or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longmans, Green, and Co, 1867)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Longman, Rees, Orme, Brown, and Green, 1828)

An introduction to entomology: or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc. with plates - Kirby, William, 1759 -1850 (Lea and Blanchard, 1846)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme, and Brown, 1822)

An introduction to entomology; or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc. With plates - Kirby, William, 1759 -1850 (Lea and Blanchard, 1846)

An introduction to entomology : or, Elements of the natural history of insects ... - Kirby, William, 1759 -1850 (Longmans, Green, 1865)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1822)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1823)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1826)

An introduction to entomology; or, Elements of the natural history of insects : comprising an account of noxious and useful insects, of their metamorphoses, food, strategems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans, & Roberts, 1858)

An introduction to entomology, or, Elements of the natural history of insects : comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green and Longmans, 1856)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1817)

An introduction to entomology: or Elements of the natural history of insects: with plates - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme, and Brown, 1828)

Introduction to genetics and cytogenetics - Riley, Herbert Parkes, 1904 - (J. Wiley, 1948)

An introduction to modern genetics - Waddington, C. H. (Conrad Hal), 1905 -1975 (The Macmillan company, 1939)

An introduction to nematology - Chitwood, B. G. (Benjamin Goodwin), 1906 -1972 (Monumental printing co, 1937)

An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families - Westwood, J. O. (John Obadiah), 1805 -1893 (Longman, Orme, Brown, Green, and Longmans, 1840)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1935)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1932)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2014)

Invertebrate zoology - Levi, Herbert Walter, 1921 -2014 (Krieger, 1900)

Investigations in fish control - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1969)

Investigations in fish control - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1975)

Ioh. Christ. Fabrichii hist. nat. oeconom. ... Systema antliatorum : secundum ordines, genera, species, adiectis synonymis, locis, observationibus, descriptionibus - Fabricius, Johann Christian, 1745 -1808 (Apud Carolum Reichard, 1805)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1963)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1898)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1901)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1924)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1818)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1819)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1831)