Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Österreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1881)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1885)

Étude critique et expérimentale sur le polymorphisme des algues - Chodat, R. (Robert), 1865 -1934 (Georg, 1909)

The Eastern Bering Sea Shelf : oceanography and resources - United States. Office of Marine Pollution Assessment. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Office of Marine Pollution Assessment, 1981)

An ecological study of the mayfly Chirotenetes - Clemens, W. A. (Wilbert Amie), 1887 -1964 (University Library, pub. by the librarian, 1917)

Ecology and behavior of the Manatee (Trichechus manatus) in Florida - American Society of Mammalogists. (American Society of Mammalogists, 1979)

The ecology of algae : a symposium held at the Pymatuning Laboratory of Field Biology on June 18 and 19, 1959 - Hartman, Richard T. (Pymatuning Laboratory of Field Biology, University of Pittsburgh, 1960)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1908)

The effects of atomic radiation on oceanography and fisheries, report - National Academy of Sciences (U.S.). Committee on Effects of Atomic Radiation on Oceanography; Fisheries. (National Academy of Sciences-National Research Council, 1957)

Die einfachsten Lebensformen des Thier- und Pflanzenreiches : Naturgeschichte der mikroskopischenSüsswassbewohner - Eyferth, B. (Bruno), 1826 -1897 (Goeritz und zu Putlitz, 1885)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1898)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co., lim, 1898)

Elements of biology - Weisz, Paul B., 1921 - (McGraw-Hill Company of Canada, 1963)

Energy and environmental stress in aquatic systems : selected papers from a symposium held at Augusta, Georgia, November 2-4, 1977 - Gibbons, J. Whitfield, 1939 - (Technical Information Center, U.S. Dept. of Energy, 1978)

... Ensayo sobre las plantas usuales de Costa Rica - Pittier, Henri, 1857 -1950 (H.L. & J.B. McQueen, inc, 1908)

Entomologische berichten - Nederlandse Entomologische Vereniging (1970)

Die Entomostrakenfauna der "alten Donau" bei Wien : eine ethologische Studie - Steuer, Adolf, 1871 - (G. Fisher, 1901)

Entrainment of phytoplankton at the Donald C. Cook Nuclear Plant, 1975 - University of Michigan. Great Lakes Research Division. (Great Lakes Research Division, University of Michigan, 1977)

Enumeratio systematica fungorum in omnium herbarum europaearum organis diversis hucusque observatorum mentione facta fontium litterariorum diagnoses eorum figurasque proferentium nec non praecipuorum eorum synonymorum numerorumque collectionum plurium venalium species enumeratas - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (apud M. Nijhoff, 1919)

Enzyme action in the marine algae - Davis, Alva Raymond, 1887 - (1915)

Enzyme cytology - Roodyn, D.B., (Academic Press, 1967)

Ergebnisse der in dem Atlantischen Ocean von Mitte Juli bis Anfang November 1889 ausgeführten Plankton-Expedition der Humboldt-Stiftung. Auf Frund von gemeinschaftlichen Untersuchungen einer Reihe von Fach-Forschern - Hensen, Victor, 1835 -1924 (Lipsius & Tischer, 1906)

Ergebnisse der in dem Atlantischen Ocean von Mitte Juli bis Anfang November 1889 ausgeführten Plankton-Expedition der Humboldt-Stiftung. Auf Frund von gemeinschaftlichen Untersuchungen einer Reihe von Fach-Forschern - Hensen, Victor, 1835 -1924 (Lipsius & Tischer, 1892)

Essays in geobotany in honor of William Albert Setchell - Goodspeed, T. H. (Thomas Harper), 1887 -1966 (University of California Press, 1936)

Essays in the natural sciences in honor of Captain Allan Hancock, on occasion of his birthday, July 26, 1955 - Allan Hancock Foundation. (University of Southern California Press, 1955)

The essentials of botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt and company, 1914)

The essentials of botany - Bessey, Charles E. (Charles Edwin), 1845 -1915 (Holt, 1896)

Essentials of college botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt, 1914)

Essex naturalist : being the journal of the Essex Field Club - Essex Field Club. (The Club, 1912)

Etude écologique des rivières du nord du massif Ardennais (Belgique) : Flore et végétation de diatomées et physico-chimie des eaux - Fabri, Régine (1984)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1889)

Exploring biology, the science of living things - Smith, Ella Thea. (Harcourt, Brace, 1959)

Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G - Ontario. Ministry of the Environment. (Environment Ontario, 1991)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1944)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1943)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1945)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1947)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1949)

Fauna, flora & geology of the Clyde area - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (Pub. by the local committee for the meeting of the British Association, 1901)

The ferns (Filicales) treated comparatively with a view to their natural classification - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1923)

Fertilizer resources of the United States - United States. Bureau of Soils. ([Govt. print. off.], 1912)

Field Museum news - Field Museum of Natural History. (Field Museum of Natural History, 1939)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1949)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1969)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1970)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1971)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1976)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1978)

Fieldiana Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1987)

Fifty years of botany; golden jubilee volume of the Botanical Society of America - Botanical Society of America. (McGraw-Hill, 1958)

Fishery bulletin. United States Fish and Wildlife Service - U.S. Fish; Wildlife Service (The Service, U.S. Govt Print. Off, 1953)

Fishery bulletin. United States Fish and Wildlife Service - U.S. Fish; Wildlife Service (The Service, U.S. Govt Print. Off, 1954)

Fishery bulletin. United States Fish and Wildlife Service - U.S. Fish; Wildlife Service (The Service, U.S. Govt Print. Off, 1964)

Fishery bulletin. United States Fish and Wildlife Service - U.S. Fish; Wildlife Service (The Service, U.S. Govt Print. Off, 1967)

Fishery bulletin - United States. National Oceanic; Atmospheric Administration. (The Service, 1977)

Fishery bulletin - United States. National Oceanic; Atmospheric Administration. (The Service, 1983)

Flora balearica, étude phytogéographique sur les íles Baléares - Knoche, Herman, 1870 -1945 (Imp. Roumégous et Déhan], 1921)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2012)