Knowledge. v. 1-40; Nov. 1881-Dec. 1917 (Wyman [etc.])

Det Kongelige Danske videnskabernes selskabs skrifter. Naturvidenskabelig og mathematisk afdeling - Kongelige Danske videnskabernes selskab. (1918)

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1915)

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, 1914)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1886)

Kurzgefasste gemeinnützige Naturgeschichte des In- und Auslandes : für Schulen und häuslichen Unterricht - Bechstein, Johann Matthäus, 1757 -1822 (S. Crusius, 1794)

Laboratory apparatus and reagents - Arthur H. Thomas Co. (A.H. Thomas Co, 1914)

Laboratory directions in general biology - Conklin, Edwin Grant, 1863 -1952 (Princeton University Press, 1900)

A laboratory manual in practical botany - Clark, Charles H. (Charles Herbert), 1854 - (American book company, 1898)

A laboratory manual of invertebrate zoology - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W.B. Saunders, 1907)

A laboratory manual of invertebrate zoölogy - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1913)

A laboratory manual of invertebrate zoology - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1936)

A laboratory manual of invertebrate zoölogy - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders, 1907)

A laboratory manual of invertebrate zoölogy - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders, 1913)

A laboratory manual of invertebrate zoölogy - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W.B. Saunders company, 1920)

A laboratory manual of invertebrate zoölogy, by Gilman A. Drew ... with the aid of former and present members of the zoölogical staff of instructors at the Marine biological laboratory, Woods Hole, Mass - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1928)

Laboratory outlines for general botany, for the elementary study of plant structures and functions from the standpoint of evolution - Schaffner, John H. (John Henry), 1866 -1939 (O., The author, 1915)

Laboratory outlines for general botany, for the elementaty study of plant structures and functions from the standpoint of evolution - Schaffner, John H. (John Henry), 1866 -1939 (Tha author, 1913)

Das Leben der Binnengewässer - Lampert, Kurt, 1859 -1918 (C.H. Tauchnitz, 1899)

Lectures on biology - Boelter, W. R. (William Richard) (J. Bale, sons & Danielsson, ltd, 1911)

Lectures on histology delivered at the Royal College of Surgeons of England - Quekett, John, 1815 -1861 (H. Bailliere, 1852)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons, in 1843 - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1843)

Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons - Owen, Richard, 1804 -1892 (Longman, Brown, Green & Longmans, 1855)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons - Owen, Richard, 1804 -1892 (Longman, Grown, Green, and Longmans, 1855)

Lectures on the comparative anatomy and physiology of the vertebrate animals : delivered at the Royal College of Surgeons of England, in 1844 and 1846 ... Part 1. Fishes - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1846)

Lectures on the principle of symmetry and its applications in all natural sciences - Jaeger, F. M. (Francis Mauritius), 1877 - (Publishing company "Elsevier,", 1920)

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

Lehrbuch der botanik nach dem gegenwärtigen stand der wissenschaft - Sachs, Julius, 1832 -1897 (W. Engelmann, 1874)

Lehrbuch der Naturgeschichte - Burmeister, Hermann, 1807 -1892 (Anton und Gelbecke, 1830)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der ökologischen Pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1918)

Lehrbuch der ökologischen pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1902)

Lehrbuch der Protozoenkunde / eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (G. Fischer, 1911)

Lehrbuch der Protozoenkunde : eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (Fischer, 1909)

Lehrbuch der Protozoenkunde; eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (G. Fischer, 1916)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (Fischer, 1894)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (G. Fisher, 1900)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

Lehrbuch der Zoologie : eine morphologische Übersicht des Thierreiches zur Einführung in das Studium dieser Wissenschaft - Hatschek, Berthold, 1854 - (G. Fischer, 1888)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1892)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1910)

Lehrbuch für den ersten, systematischen Unterricht in der Naturgeschichte - Lumnitzer, Johann Georg. (In der Kunsthandlung des H.F. Müller, 1826)

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

Leitfaden der planktonkunde, von dr. Adolf Steuer ... mit 279 abbildungen im text und 1 tafel - Steuer, Adolf, 1871 - (B.G. Teubner, 1911)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1914)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1893)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1920)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (MacMillan, 1891)

Life and evolution - Headley, F. W. (Frederick Webb), 1856 -1919 (Duckworth, 1906)

Life, outlines of general bioloy - Thomson, J. Arthur (John Arthur), 1861 -1933 (Harper, 1900)

Light and the behavior of organisms - Mast, Samuel Ottmar, 1871 -1947 (J. Wiley & Sons; [etc., etc.], 1911)

Light and the behavior of organisms - Mast, Samuel Ottmar, 1871 - (J. Wiley & Sons; [etc., etc.], 1911)

Links in the chain; or, Popular chapters on the curiosities of animal life - Kearley, George (J. Hogg, 1862)

List of infusorial objects found chiefly in the neighborhood of Salem, Massachusetts : with a sketch of the progress of this branch of natural history / by Thomas Cole - Essex Institute. (1853)

The living plant in leaf, flower, and fruit : a popular book on botany for the general reader - Step, Edward, 1855 -1931 (Hutchinson & Co, 1904)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1836)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1843)

London Naturalist - London Natural History Society. (London Natural History Society, 2001)

London Naturalist - London Natural History Society. (London Natural History Society, 2003)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1857)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1952)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

Malesia; raccolta di osservazioni botaniche intorno alle piante dell'arcipelago Indo-Malese e Papuano pubblicata da Odoardo Beccari, destinata principalmente a descrivere ed illustrare le piante da esso raccolte in quelle regioni durante i viaggi eseguiti dall'anno 1865 all'anno 1878 ... - Beccari, Odoardo, 1843 -1920 (Tip. del R. Instituto sordo-muti, 1884)

A manual of botany, anatomical and physiological : for the use of students - Royal College of Physicians of Edinburgh. (W. Blackwood, 1874)

A manual of botany, including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of botany: including the structure, functions, classification, properties and uses of plants - Bentley, Robert, 1821 -1893 (John Churchill, 1861)

A Manual of entomology - Shuckard, William Edward, 1802 -1868 (E. Churchton, 1836)

Manual of human histology - Kölliker, Albert, 1817 -1905 (Printed for the Sydenham Society, 1853)

Manual of human histology - Kölliker, Albert, 1817 -1905 (Sydenham Society, 1853)

Manual of human microscopical anatomy - Kölliker, Albert, 1817 -1905 (Lippincott, Grambo, 1854)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

A manual of the infusoria, including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign and an account of the organization and affinities of the sponges - Saville-Kent, William 1845 -1908 (David Bogue, 1881)

A manual of the Infusoria : including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign, and an account of the organization and the affinities of the sponges - Saville-Kent, William 1845 -1908 (D. Bogue, 1880)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (The Macmillan Company, 1900)

A manual of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1870)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1902)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1909)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1900)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan & co., ltd, 1899)

Manuel d'histoire naturelle - Blumenbach, Johann Friedrich, 1752 -1840 (Chez Collignon, imprimeur-libraire, 1803)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1866)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1893)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1895)

Memoirs of the Literary and Philosophical Society of Manchester - Manchester Literary; Philosophical Society. (The Society, 1851)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1896)

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The micrographic dictionary : a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John van Voorst, 1860)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The microscope - Hogg, Jabez, 1817 -1899 (1869)

The Microscope ([s.n, 1881)

The microscope and its lessons. A story of the invisible world; with pictorial descriptions of its inhabitants - Crowther, James (G. Cauldwell, 1891)