An elementary course of botany : structural, physiological, and systematic - Henfrey, Arthur, 1819 -1859 (John Van Voorst, 1878)

Elementary flora of the Northwest - Rigg, George B. (George Burton) (American Book Company, 1914)

Elementary flora of the Northwest - Rigg, George B. (George Burton) (American book company, 1914)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W.S. Sonnenschein & Allen, 1880)

Elemente der paläontologie bearbeitet - Döderlein, Ludwig, 1855 -1936 (Engelmann, 1890)

Elements of botany : structural, physiological, systematical, and medical - Lindley, John, 1799 -1865 (Printed for Taylor and Walton, 1841)

The elements of materia medica and therapeutics - Pereira, Jonathan, 1804 -1853 (Printed for Longman, Brown, Green and Longmans, 1849)

The elements of materia medica comprehending the natural history, preparation, properties, composition, effects and uses of medicines - Lindley, John, 1799 -1865 (Longman, Orme, Brown, Green and Longmans, 1839)

The elements of structural botany : with special reference to the study of Canadian plants - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage, 1887)

Embryogenesis in plants - Wardlaw, C. W. (Claude Wilson), 1901 - (Methuen, 1955)

An encyclopaedia of trees and shrubs : being the Arboretum et fruticetum britannicum abridged : containing the hardy trees and shrubs of Britain, native and foreign, scientifically and popularly described ; with their propagation, culture, and uses in the arts ; and with engravings of nearly all the species ; abridged from the large edition in eight volumes, and adapted for the use of nurserymen, gardeners, and foresters - Loudon, J. C. (John Claudius), 1783 -1843 (F. Warne, 1869)

An encyclopedia of plants; : comprising the specific culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous, cultivated in, or introduced to Britain: combining much of the information contained - Loudon, J. C. (John Claudius), 1783 -1843 (1841)

Endangered and threatened plants and animals of North Carolina : proceedings of the Symposium on Endangered and Threatened Biota of North Carolina, 1, biological concerns, Meredith College, Raleigh, November 7-8, 1975 - North Carolina State Museum of Natural History. (N.C. State Museum of Natural History, 1977)

Endangered and threatened species of the Southeastern United States including Puerto Rico and the Virgin Islands - United States. Forest Service. (U.S. Forest Service], 1982)

English cyclopaedia, a new dictionary of universal knowledge - Knight, Charles, 1791 -1873 (Bradbury, 1854)

An enigmatic new snake from cloud forest of the Península de Paria, Venezuela (Colubridae, genus Taeniophallus?) - Myers, Charles W. (American Museum of Natural History, 2005)

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

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

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1886)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1887)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1937)

Entomological news - American Entomological Society. (American Entomological Society, 1974)

Entomological news - American Entomological Society. (American Entomological Society, 1975)

Entomological news - American Entomological Society. (American Entomological Society, 2005)

Entomological news - American Entomological Society. (American Entomological Society, 2008)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia - American Entomological Society. ([Entomological Rooms of the Academy of Natural Sciences], 1922)

Entomologische Arbeiten aus dem Museum G. Frey Tutzing bei München - Museum G. Frey, Munich. (Eigenverlag, 1961)

Entomologische berichten - Nederlandse Entomologische Vereniging (1956)

Entomologische berichten - Nederlandse Entomologische Vereniging (1958)

Entomologische berichten - Nederlandse Entomologische Vereniging (1963)

Entomologische berichten - Nederlandse Entomologische Vereniging (1991)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1944)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1995)

Entomology : strength in diversity : XXII International Congress of Entomology, 15-21 August 2004, Brisbane, Queensland, Australia - Australian Entomological Society. ([Australian Entomological Society], 2004)

Enumeratio plantarum Zeylaniae =An enumeration of Ceylon plants, with descriptions of the new and little known genera and species, observations on their habitats, uses, native names, etc - Hooker, Joseph Dalton, 1817 -1911 (Dulau, 1864)

Enumeratio seminum R. Horto Botanico Pisano ... - Orto botanico di Pisa. (Orto botanico di Pisa, 1916)

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)

An enumeration of Philippine flowering plants - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1922)

An enumeration of plants collected in Sumatra by W. N. and C. M. Bangham - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (The Arnold Arboretum of Harvard University, 1934)

An enumeration of the vascular plants known from Surinam : together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An environmental profile of the Black Sea Coast - Gillett, Harriet J. (WCMC, 1997)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1985)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1991)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1997)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 2003)

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

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

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

Estudio preliminar de una colección de plantas procedentes de Tartagal (departamento de Orán, Salta) - Schreiter, Rodolfo ("Coni", 1925)

The ethnobotany of Aublet's histoire des plantes de la Guiane Françoise (1775) - Boom, Brian M (Missouri Botanical Garden, 1991)

European Journal of Taxonomy - Institut royal des sciences naturelles de Belgique. (MNHN, 2013)

European Journal of Taxonomy - Institut royal des sciences naturelles de Belgique. (MNHN, 2015)

European Journal of Taxonomy - Institut royal des sciences naturelles de Belgique. (MNHN, 2016)

An evaluation and record of generally recommended trees and shrubs planted at the Research Station, Sidney, B.C., 1913-1973 - Canada. Agriculture Canada (Agriculture Canada, 1977)

Excursionsflora für Oesterreich, mit Ausschluss von Galizien, Bukowina und Dalmatien. Mit theilseiser Benützung des "Botanischen Excursionsbuches" von G. Lorinser - Fritsch, Karl, 1864 -1934 (C. Gerold's Sohn, 1897)

Exkursionsflora für Österreich, mit Ausschlus von Galizien, Bukowina und Dalmatien - Fritsch, Karl, 1864 -1934 (Karl Gerolds Sohn, 1909)

Exkursionsflora von Europa : Anleitung zum Bestimmen der Gattungen der europäischen Blütenpflanzen - Thonner, Franz, 1863 - (R. Friedländer, 1901)

Exotic microlepidoptera - Meyrick, Edward, 1854 -1938 (Printed by Taylor and Francis, 1915)

Experimental and molecular approaches to plant biosystematics - Hoch, Peter C (Missouri Botanical Garden, 1995)

Extinct plants and problems of evolution : founded on a course of public lectures delivered at the University college of Wales, Aberystwyth, in 1922 - Scott, Dukinfield Henry, 1854 -1934 (Macmillan and co., limited, 1924)

Factors affecting the graft union of mamey sapote (Calocarpum sapota (Jacq.) Merr.) - Ogden, Mary Ann Hollingsworth, 1943 - (1985)

The families of flowering plants - Pollard, Charles Louis, 1872 -1945 (The Plant World Co, 1900)

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, 1947)

Faune de Madagascar. 44, Mammifères lémuriens, primates prosimiens - Albignac, Roland 1940 - (1977)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1974)

The ferns, fern allies and flowering plants of Rhode Island - Providence Franklin Society. (Providence Franklin Society, 1920)

A Festschrift for William G. D'arcy : the legacy of a taxonomist - Keating, Richard C (Missouri Botanical Garden Press, 2005)

Field book of insects : with special reference to those of north-eastern United States, aiming to answer common questions - Lutz, Frank Eugene, 1879 -1943 (G. P. Putnam, 1921)

Field book of insects, with special reference to those of northeastern United States, aiming to answer common questions - Lutz, Frank Eugene, 1879 -1943 (G. P. Putnam, 1921)

Field manual of trees; including southern Canada and the northern United States to the southern boundary of Virginia, Kentucky and Missouri, westward to the limits of the prairie - Schaffner, John H. (John Henry), 1866 -1939 (R. G. Adams, 1922)

Field manual of trees; including southern Canada and the northern United States to the southern boundary of Virginia, Kentucky, and Missouri, westward to the limits of the prairie - Schaffner, John H. (John Henry), 1866 -1939 (R.G. Adams, 1914)

The Field Museum collections and research : Academic Affairs, Center for Evolutionary and Environmental Biology (CEEB), Center for Cultural Understanding and Change (CCUC) - Field Museum of Natural History. (Office of Academic Affairs, The Field Museum, 1996)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1983)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1985)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1987)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1989)