Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1924)

Katalog der Bibliothek der Kaiserlichen Leopoldinisch-Carolinischen deutschen Akademie der Naturforscher - Leopoldinisch-Carolinische deutsche Akademie der Naturforscher. Bibliothek. (die Akademie, 1887)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1972)

Kinships of animals and man; a textbook of animal biology - Morgan, Ann Haven, 1882 -1966 (McGraw-Hill, 1955)

Die Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C.F. Winter, 1859)

Kleine Beiträge zur naturgeschichte der Infusorien - Schmarda, Ludwig K. (Ludwig Karl), 1819 -1908 (Verlag der Carl Haas'schen Buchhandlung, 1846)

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

Det Kongelige Danske videnskabernes selskabs skrifter Naturvidenskabelig og mathematisk afdeling - Kongelige Danske videnskabernes selskab. (1868)

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)

Kosmos (Ernst Günther, 1878)

Kosmos (Ernst Günther, 1886)

Die Krankheiten der Pflanzen; ein Handbuch für Land- und Forstwirte, Gärtner, Gartenfreunde und Botaniker - Frank, Albert Bernhard, 1839 -1900 (E. Trewendt, 1895)

Die krankheiten der pflanzen, ein handbuch fur land-und forstwirte, gartner, gartenfreunde und botaniker - Frank, Albert Bernhard, 1839 -1900 (Trewendt, 1896)

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, 1914)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1761)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1790)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1884)

Kunstformen der Natur - Bibliographisches Institut Leipzig. (Verlag des Bibliographischen Instituts, 1904)

Kunstformen der Natur - Bibliographisches Institut Leipzig. (Verlag des Bibliographischen Instituts, 1899)

Laboratory and field manual of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn & company, 1907)

Laboratory and field manual of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn & Company, 1907)

Laboratory directions for an elementary course in general zoology - Van Cleave, Harley Jones, 1886 -1953 (U. of I. Supply Store, 1928)

Laboratory directions for an elementary course in general zoology - Van Cleave, Harley Jones, 1886 -1953 (U. of I. Supply Store, 1922)

Laboratory directions in general biology prepared to accompany text book on General biology - Needham, James G. (James George), 1868 -1957 (The Comstock publishing co, 1922)

Laboratory directions in general zoölogy - Guthrie, Mary Jane, 1895 - (J. Wiley & sons, inc.; London, Chapman & Hall, limited, 1939)

Laboratory directions in principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1919)

Laboratory directions in principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill book company, inc.; [etc., etc.], 1919)

Laboratory guide in zoology - University of Cambridge. (1900)

A laboratory manual and text-book of embryology - Prentiss, Charles William, 1874 -1915 (W. B. Saunders company, 1917)

A laboratory manual and text-book of embryology - Prentiss, Charles William, 1874 - (W. B. Saunders company, 1915)

A laboratory manual and text-book of embryology - Prentiss, Charles William, 1874 - (W. B. Saunders, 1915)

A laboratory manual and text-book of embryology - Prentiss, Charles William, 1874 -1915 (W. B. Saunders company, 1920)

A laboratory manual and text-book of embryology - Prentiss, Charles William, 1874 -1915 (Saunders, 1922)

A laboratory manual in elementary biology; an inductive study in animal and plant morphology designed for preparatory and high schools - Boyer, Emanuel Roth, 1851 -1900 (Heath, 1894)

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)

A laboratory manual of zoölogy - Burnet, Margaretta. (American book company, 1908)

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

Laboratory studies in zoology - Reed, H. D. (Hugh Daniel), 1875 -1937 (McGraw-Hill, 1930)

Lake Maxinkuckee : a physical and biological survey - Evermann, Barton Warren, 1853 -1932 (Dept. of Conservation, 1920)

Lake Maxinkuckee. a physical and biological survey - Evermann, Barton Warren, 1853 -1932 (Wm. B. Burford, printer], 1920)

Lamarck, the founder of evolution; his life and work - Packard, A. S. (Alpheus Spring), 1839 -1905 (Longmans, Green, and co, 1901)

Latreille's Naturliche Familien des Thierreichs - Latreille, P. A. (Pierre André), 1762 -1833 (Im Verlage des Gr. H.S. priv. Landes-Industrie- Comptoirs, 1827)

Das Leben der Binnengewässer - Lampert, Kurt (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)