Kryptogamenflora der Mark Brandenburg und angrenzender Gebiete - Dahlemer Botanischer Verein (Gebrüder Borntraeger, 1905)

Kryptogamenflora für Anfänger : eine Einführung in das Studium der blütenlosen Gewächse für Studierende und Liebhaber - Lindau, Gustav, 1866 -1923 (Springer, 1922)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1768)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1771)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1776)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1778)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1779)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1780)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1784)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1794)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1905)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1920)

Die Land- und Süsswasser-Conchylien der Vorwelt - Sandberger, Fridolin, 1826 -1898 (1870)

Landmarks of botanical history; a study of certain epochs in the development of the science of botany. Part I.–Prior to 1562 A. D - Greene, Edward Lee, 1843 -1915 (Smithsonian institution, 1909)

Landmarks of botanical history; a study of certain epochs in the development of the science of botany - Greene, Edward Lee, 1843 -1915 (Smithsonian institution, 1909)

Landmarks of botanical history, a study of certain epochs in the development of the science of botany - Greene, Edward Lee, 1843 -1915 (Smithsonian Inst, 1909)

Landscape gardening as applied to home decoration - Maynard, Samuel T. (Samuel Taylor), 1844 -1923? (Wiley, 1912)

Landscape gardening as applied to home decoration - Maynard, Samuel T. (Samuel Taylor), 1844 -1923? (J. Wiley, 1899)

Landscape reclamation: a report on research into problems of reclaiming derelict land - University of Newcastle upon Tyne. (IPC Science and Technology Press, 1971)

The language of flowers: or, Floral emblems of thoughts, feelings, and sentiments - Tyas, Robert, 1811 -1879 (G. Routledge and sons, 1869)

The language of flowers : The floral offering ; a token of affection and esteem ; comprising the language and poetry of flowers - Dumont, Henrietta. (H.C. Peck & T. Bliss, 1851)

The language of flowers, with illustrative poetry (Saunders & Otley, 1841)

The Language of flowers, with illustrative poetry; to which are now added The calendar of flowers and The dial of flowers - Cortambert, Louise (Saunders & Otley, 1838)

The language of flowers, with illustrative poetry; to which are now added the calendar of flowers and the dial of flowers - Shoberl, Frederic, 1775 -1863 (Saunders & Otley, 1840)

The language of flowers : with illustrative poetry ; to which is now first added, the calendar of flowers ... - La Tour, Charlotte de, 1782 -1875 (Lea & Blanchard, 1839)

The Language of flowers : with illustrative poetry, to which is now first added The calendar of flowers ; revised by the editor of 'Forget me not.' - Shoberl, Frederic, 1775 -1853 (Carey, Lea & Blanchard, 1836)

The language of flowers with illustrative poetry : to which is now first added the calendar of flowers - La Tour, Charlotte de, 1782 -1875 (Lea and Blanchard, 1843)

Larva collecting and breeding; a handbook to the larvae of the British macro-lepidoptera and their food plants; both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, and to be had of the author, 1890)

Larva collecting and breeding : a handbook to the larvae of the British Macro-Lepidoptera and their food plants : both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, 1890)

The larvæ of the British butterflies and moths - Stainton, H. T, (Henry Tibbats) 1822 -1892 (Printed for the Ray society, 1901)

A Lavoura (Sociedade Nacional de Agricultura, 1947)

Lawns and gardens. How to plant and beautify the home lot, the pleasure ground and garden - Jönsson-Rose, Nils. (G. P. Putnam, 1897)

Les lépidoptères de la Belgique ; leurs chenilles et leurs chrysalides décrits et figurés d'après nature - Dubois, Alphonse, 1839 -1921. (Librairie C. Muquardt, Merzbach et Falk succ, 1860)

Les lépidoptères de la Belgique ; leurs chenilles et leurs chrysalides décrits et figurés d'après nature - Dubois, Alphonse, 1839 -1921. (Librairie C. Muquardt, Merzbach et Falk succ, 1863)

Les lépidoptères de la Belgique ; leurs chenilles et leurs chrysalides décrits et figurés d'après nature - Dubois, Alphonse, 1839 -1921. (Librairie C. Muquardt, Merzbach et Falk succ, 1874)

Das Leben der Pflanze - Francé, R. H. (Raoul Heinrich), 1874 -1943 (Kosmos, Gesellschaft der Naturfreunde, 1906)

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1934)

Lecciones de botánica - Dondé, Juan, (J. F. Molina Solis, 1876)

A lecture on the geography of plants - Barton, John, 1789 -1852 (Printed for Harvey and Darton, 1827)

Lehrbuch der Botanik für Forstmänner; nebst einem Anhange: Die Holzgewächse Deutschland's und der Schweiz, unter Zufügung einiger besonders häufig cultivierten ausländischen Arten nach der analytischen Methode - Döbner, Eduard Philipp, 1810 -1890 (C. Krebs, 1858)

Lehrbuch der Botanik; für höhere Lehranstalten und die Hand des Lehrers, sowie für alle Freunde der Natur. Unter besonderer Berücksichtigung biologischer Verhältnisse bearb. von Otto Schmeil - Schmeil, O. (Otto), 1860 -1943 (Quelle & Meyer, 1911)

Lehrbuch der Botanik für höhere Lehranstalten und die Hand des Lehrers - Schmeil, O. (Otto), 1860 -1943 (E. Nägele, 1903)

Lehrbuch der Botanik; nach dem Gegenwärtigen Stand der Wissenschaft - Frank, Albert Bernhard, 1839 -1900 (W. Engelmann, 1892)

Lehrbuch der forstlichen Bodenkunde und Klimatologie - Heyer, Gustav (F. Enke, 1856)

Lehrbuch der forstlichen Botanik - Senft, Ferdinand, 1810 -1893 (F. Mauke, 1857)

Lehrbuch der Forstwirtschaft für Waldbau-und Försterschulen, sowie zum ersten forstlichen unterrichte für Aspiranten des Forstverwaltungsdienstes - Eckert, Karl, (W. Frick, 1908)

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 Paläobotanik - Potonié, H. (Henry), 1857 -1913 (Borntraeger, 1921)

[Lehrbuch der Pflanzenkunde in ihrer Anwendung auf die Forstwirthschaft : für Forstleute und Freunde der Botanik. 1,2, Abt. 1, Vollständige Naturgeschichte der forstlichen Culturpflanzen Deutschlands ; 2, [Text]] - Hartig, Theodor, 1805 -1880 (Förstner, 1852)

Lehrbuch der pilzparasitären Pflanzenkrankheiten mit besonderer Berücksichtigung der Krankheiten gärtnerischer Kulturgewächse - Höstermann, Gustav (P. Parey, 1923)

Lehrbuch für Förster und die es werden wollen - Hartig, Georg Ludwig, 1764 -1837 (J. G. Gotta, 1814)

Die Lehre vom Waldbau für Anfänger in der Praxis - Ney, Carl Eduard (P. Parey, 1885)

Die Lehre von der Pflanzenzelle - Hofmeister, Wilhelm, 1824 -1877 (Engelmann, 1867)

Leitfaden für die Försterprüfungen; ein Handbuch für den Unterricht und Selbstunterricht unter Berücksichtigung der preussischen Verhältnisse sowie für den praktischen Forstwirt - Westermeier, G. (J. Springer, 1909)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1899)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Die Lepidopteren der Schweiz - Frey, Heinrich, 1822 -1890 (W. Engelmann, 1880)

The lepidopterist's calendar - Merrin, Joseph. (H. Marsden, 1875)

The lepidopterist's calendar; giving the time when the British lepidoptera appear in the egg, larval, pupal, and imago states, with the food-plant, and habitat - Merrin, Joseph, 1820 -1904 (H. Marsden, 1875)

Das Leuchten des Meeres : neue Beobachtungen nebst Übersicht der Hauptmomente der geschichtlichen Entwicklung dieses merkwürdigen Phänomens - Ehrenberg, Christian Gottfried, 1795 -1876 (Gedruckt in der Druckerei der Königlichen Akademie der Wissenschaften, 1835)

Der Lichtgenuss der Pflanzen : photometrische und physiologische Untersuchungen mit besonderer Rücksichtnahme auf Lebensweise, geographische Verbreitung und Kultur der Pflanzen - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1907)

Light in relation to tree growth - Graves, Henry S. (Henry Solon), 1871 -1951 (U.S. Dept. of Agriculture, Forest Service, 1911)

lin ye ming ci - Zhongguo ke xue yuan bian yi ju (zhong guo ke xue yuan, 1954)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1997)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2003)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2004)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2016)

Lining out stock : fall 1927, spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1927)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1837)

Linnaea entomologica : Zeitschrift herausgegeben von dem Entomologischen Vereine in Stettin - Entomologischer Verein in Stettin. (Ernst Siegfried Mittler, 1847)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1951)

List 22-H : season 1922-1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke, 1922)

List 2305 : season 1923-1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke, 1923)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1935)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1936)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1937)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1938)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1948)

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.], 1968)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1969)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1973)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1977)

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.], 1963)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1950)

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.], 1951)

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.], 1959)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1985)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1953)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1961)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1958)

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.], 1964)

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.], 1960)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1962)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1949)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1966)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1967)

List of rare, threatened and endemic plants in Europe (1982 edition) (1983)

List of surplus and lining out stock : March 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1937)

List of surplus, lining out stock : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1936)

List of the Lepidoptera of Aberdeenshire & Kincardineshire - Reid, William, lepidopterist (S. Sonnenschein, 1893)

London Naturalist - London Natural History Society. (London Natural History Society, 1932)

London Naturalist - London Natural History Society. (London Natural History Society, 1936)

London Naturalist - London Natural History Society. (London Natural History Society, 1938)

London Naturalist - London Natural History Society. (London Natural History Society, 1939)

London Naturalist - London Natural History Society. (London Natural History Society, 1951)

London Naturalist - London Natural History Society. (London Natural History Society, 1952)

London Naturalist - London Natural History Society. (London Natural History Society, 1954)

London Naturalist - London Natural History Society. (London Natural History Society, 1957)

London Naturalist - London Natural History Society. (London Natural History Society, 1958)

London Naturalist - London Natural History Society. (London Natural History Society, 1959)