Kostychev's Plant respiration; authorized edition in English with editorial notes - Kostychev, S. P. (Sergei Pavlovich), 1877 -1931 (P. Blakiston's son and co, 1927)

Kryptogamen-Flora von Schlesien; im Namen der Schlesischen Gesellschaft für vaterländische Cultur - Cohn, Ferdinand, 1828 -1898 (J. U. Kern, 1878)

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, 1917)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1919)

A laboratory course in bacteriology : for the use of medical, agricultural, and industrial students - Gorham, Frederic P. (Frederic Poole), 1871 -1933 (W.B. Saunders, 1901)

Laboratory directions for beginners in bacteriology - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Ginn & Co, 1905)

Laboratory directions for beginners in bacteriology - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Press of Andrus & Church, 1898)

Laboratory directions for beginners in bacteriology; an introduction to practical bacteriology for students and practitioners of comparative and of human medicine - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Ginn & company, 1905)

A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (The author, 1901)

A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (Macmillan, 1916)

A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (Macmillan, 1903)

A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (The Macmillan Company, 1913)

A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (The Macmillan company, 1903)

Laboratory manual in general microbiology - Giltner, Ward, 1882 - (Wiley, 1916)

Laboratory manual in medical bacteriology - Columbia University. Dept. of Bacteriology. (Dougherty, 1929)

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 (The author, 1922)

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)

Laboratory work in bacteriology - Novy, Frederick G. (Frederick George), 1864 -1957 (G. Wahr, 1899)

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

Leçons sur les bactéries - Bary, A. de (Anton), 1831 -1888 (G. Masson, 1886)

Lectures on bacteria - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

Lectures on plant physiology - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1907)

Lectures on plant physiology - Jost, Ludwig, 1865 -1947 (Clarendon Press, 1907)

Lectures on the evolution of plants (The Macmillan Co, 1899)

Lectures on the evolution of plants (The Macmillan company, 1899)

Lectures on the evolution of plants (The Macmillan company, 1910)

Lectures on the physiology of plants - Sachs, Julius, 1832 -1897 (Clarendon Press, 1887)

Lehrbuch der Botanik für Hochschulen - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1911)

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 Mikrobiologie, mit besonderer Berücksichtigung der Seuchenlehre. Unter Mitwirkung von O. Bail [et al.] Hrsg. von Ernst Friedberger und Richard Pfeiffer - Pfeiffer, Richard, 1858 -1945 (G. Fischer, 1919)

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

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