Treatise on the British freshwater Algae - West, G. S. (George Stephen), 1876 -1919 (Cambridge Univ. Press, 1904)

A treatise on the British freshwater Algae - West, G. S. (George Stephen), 1876 -1919 (University Press, 1904)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1909)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. & C. Black, 1900)

Treubia - Kebun Raya Indonesia. (G. Kolff, 1922)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1886)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1890)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1891)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1880)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1902)

Tuinbouw-flora van Nederland en zijne overzeesche bezittingen - Vriese, W. H. de (Willem Hendrik), 1806 -1862 (A. W. Sythoff, 1855)

Tulane studies in zoology - Tulane University. (Tulane University, 1957)

Tulane studies in zoology - Tulane University. (Tulane University, 1960)

Übersicht des natürlichen Systems der Pflanzen : zum Gebrauch in Vorlesungen für Anfänger - Pfitzer, Ernst Hugo Heinrich, 1846 -1906 (C. Winter, 1894)

Ueber die Algenvegetation des Murmanschen Meeres an der Westküste von Nowaja Semlja und Wajgatsch - Kjellman, F. R. (Frans Reinhold), 1846 -1907 (E. Berling, 1877)

Ueber die Organisation und Physiologie der Cyanophyceenzelle und die mitotische Teilung ihres Kernes - Kohl, F. G. (Friedrich Georg), 1855 -1910 (G. Fischer, 1903)

The Ulothricaceae and Chaetophoraceae of the United States - Hazen, Tracy Elliot, 1874 -1943 (The Club], 1902)

Underwater operations in southeastern Lake Michigan near the Donald C. Cook Nuclear Plant during 1974 - University of Michigan. Great Lakes Research Division. (Great Lakes Research Division, University of Michigan, 1975)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1902)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1914)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1916)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1919)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1925)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1912)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1938)

University of Toronto studies. Physiological series. no. 1-98. 1900-28 - University of Toronto. (University Library: Published by the Librarian, 1900)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1907)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1914)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1922)

A university text-book of botany (Macmillan, 1910)

Untersuchungen aus dem Botanischen Institut zu Tübingen - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Untersuchungen aus dem Gesammtgebiete der Mykologie - Brefeld, Oscar, 1839 -1925 (1872)

Untersuchungen über den Bau der Cyanophyceen und Bakterien - Fischer, Alfred, 1858 -1913 (G. Fischer, 1897)

Untersuchungen über die assimilation der kohlensäure - Willstätter, Richard, 1872 -1942 (J. Springer, 1918)

Untersuchungen Über die Familie der Conjugaten (Zygnemeen und Desmidieen) - Bary, A. de (Anton), 1831 -1888 (A. Förstnersche buchhandlung, 1858)

Untersuchungen über lichtwirkung und chlorophyll function in der pflanzen - Pringsheim, N. (Nathanael), 1823 -1894 (W. Engelmann, 1881)

Untersuchungen ueber die Lebermoose - Leitgeb, Hubert, 1835 -1888 (O. Deistung, 1879)

Use support in Big Spring Creek based on periphyton composition and community structure - Bahls, Loren L. ([Montana Dept. of Environmental Quality], 1999)

The useful plants of the island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

The useful plants of the Island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

Utilisation des algues marines - Sauvageau, C. (Camille), 1861 -1936 (O. Doin, 1920)

Úvod do vseobecné biologie : Anatomie rostlin - Nemec, Bohumil, Doc. Dr. CSc. (1921)

The variation of animals in nature - Robson, G. C. (Guy Coburn), 1888 -1945 (Longmans, Green and co, 1936)

Les variations et leur h©♭r©♭dit©♭ chez les mollusques - Pelseneer, Paul, 1863 -1945 (Hayez, 1920)

Les variations et leur hérédité chez les mollusques - Pelseneer, Paul, 1863 -1945 (M. Lamertin, M. Hayez, 1920)

Vega-expeditionens vetenskapliga iakttagelser bearbetade af deltagare i resan och andra forskare - Nordenskiöld, A. E. (Adolf Erik), 1832 -1901 (F. & G. Beijers förlag, 1883)

The vegetable kingdom; or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury and Evans, 1846)

The vegetable kingdom, or, The structure, classification, and uses of plants illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1847)

The vegetable kingdom; or, The structure, classification, and uses of plants - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1901)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetationsverhältnisse der illyrischen Länder, begreifend Südkroatien, die Quarnero-Inseln, Dalmation, Bosnien und die Hercegovina, Montenegro, Nordalbanien, den Sandzak Novipazar und Serbien - Beck-Mannagetta, G. (Günther), 1856 -1931 (W. Engelmann, 1901)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1961)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1964)