Kootenai River investigations final report, 1972-1982 - Montana. Department of Fish, Wildlife,; Parks (The Dept, 1983)

Kosmos (Ernst Günther, 1878)

Krevsající mouchy a strecci–Diptera : Celedi Ceratopogonidae, Simuliidae, Tabanidae, Hypodermatidae, Oestridae, Gasterophilidae, Hippoboscidae a Nycteribiidae - Ceskoslovenská akademie ved (Academia, Nakl. Ceskoslovenské akademie ved, 1980)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1870)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1890)

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

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

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

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

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

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

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

The Labrador coast - Packard, A. S. (Alpheus Spring), 1839 -1905 (N. D. C. Hodges: [etc., etc.], 1891)

The Labrador coast. A journal of two summer cruises to that region - Packard, A. S. (Alpheus Spring), 1839 -1905 (N.D.C. Hodges, 1891)

Labrador, the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (The Macmillan co, 1909)

Labrador, the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (The Macmillan co, 1913)

Labrador, the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (The Macmillan company, 1922)

Labrador : the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (Macmillan, 1912)

Labrador : the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (Macmillan Co, 1909)

Labrador, the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (Macmillan, 1909)

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)

The lake trout (Salvelinus namaycush), of Swan Lake, Alberta - Alberta. Dept. of Recreation, Parks; Wildlife. Fish; Wildlife Division, (Government of Alberta, 1968)

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The land and freshwater mollusks indigenous to, or naturalized in, the British Isles - Reeve, Lowell Augustus 1814 -1865 (Reeve and Co, 1863)

The larva and pupa of the caddisfly genus Setodes in North America (Trichoptera: Leptoceridae) - Royal Ontario Museum. (Royal Ontario Museum, 1971)

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

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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 Paläozoologie - Stromer von Reichenbach, Ernst, Freiherr, 1871 -1952 (B.G. Teubner, 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 Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1892)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

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, 1910)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (Gustav Fischer, 1910)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (Fischer, 1912)

Die Leitungsbahnen im Nervensystem der wirbellosen Tiere - Droogleever Fortuyn, Aemilius Bernardus, 1886 - (F. Bohn, 1920)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1884)

The Lepidoptera of Ceylon - Moore, Frederic, 1830 -1907 (L. Reeve & co, 1882)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1895)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1904)

Lepidoptera of the Congo : being a systematic list of the butterflies and moths collected by the American Museum of Natural History Congo Expedition : together with descriptions of some hitherto undescribed species - Holland, W. J. (William Jacob), 1848 -1932 (1920)

The lepidopterist's guide, for the use of the young collector of butterflies and moths - Knaggs, H. Guard (Henry Guard), 1832 -1908 (Gurney and Jackson, 1901)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1947)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1948)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1949)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1951)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1950)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1952)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1955)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1956)

Lesser Slave River instream flow needs scoping study - Alberta. Alberta Environment. (Alberta Environment, 2004)

Letters from Alabama (U.S.) chiefly relating to natural history - Gosse, Philip Henry, 1810 -1888 (Morgan and Chase, 1859)

Libellulinen - Ris, F. (Friedrich), 1867 -1931 (1916)

The life histories of Etheostoma olivaceum and Etheostoma striatulum, two species of darters in central Tennessee - Page, Lawrence M. (State of Illinois, Illinois Institute of Natural Resources, Natural History Survey Division, Illinois Natural History Survey, 1980)

Life histories of the bandfin darter, Etheostoma zonistium, and the firebelly darter, Etheostoma pyrrhogaster, in western Kentucky - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1989)

Life-histories of the frogs of Okefinokee swamp, Georgia; North American Salientia (Anura) no.2 - Cornell University. Heckscher foundation for the promotion of research. (The Macmillan company, 1931)

Life histories of westslope cutthroat and bull trout in the upper Flathead River basin, Montana - Shepard, Bradley B. ([publisher not identified], 1984)

The life history of Dicosmoecus atripes (Hagen) (Limnephilidae : Trichoptera) in a Rocky Mountain stream of Alberta, Canada, with special reference to aggregation formation - Gotceitas, Vytenis. (University of Alberta, Dept. of Zoology, 1982)

The life history of the mud darter, Etheostoma asprigene, in Lake Creek, Illinois - Illinois. Natural History Survey Division (State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division, 1984)

The life history of the shorthead redhorse, Moxostoma macrolepidotum, in the Kankakee River drainage, Illinois - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1985)

The life history of the slabrock darter : Etheostoma smithi, in Ferguson Creek, Kentucky - Page, Lawrence M. (State of Illinois, Department of Registration and Education, Natural History Survey Divsion, 1976)

The life history of the spottail darter, Etheostoma squamiceps, in Big Creek, Illinois, and Ferguson Creek, Kentucky - Page, Lawrence M. (1974)

The life history of the Tennessee snubnose darter, Etheostoma simoterum in Brush Creek, Tennessee - Mayden, Richard L. (Illinois Natural History Survey, 1981)

Life history types of the least cisco (Coregonus sardinella, Valenciennes), in the Yukon Territory north slope and eastern Mackenzie River Delta drainages - Mann, Garry James. (University of Alberta, Dept. of Zoology, 1974)

Life in ponds and streams - Furneaux, William S. (Longmans, Green, 1896)

The life of Devils Lake, North Dakota - Young, R. T. (Robert Thompson), 1874 - (North Dakota biological station, 1924)

The life of inland waters; an elementary text book of freshwater biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock publishing company, 1916)