Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1884)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1887)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1890)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1892)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1895)

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, 1958)

Tulane studies in zoology - Tulane University. (Tulane University, 1963)

Twelve views in the interior of Guiana : from drawings executed by Mr. Charles Bentley, after sketches taken during the expedition carried on in the years 1835 to 1839, under the direction of the Royal Geographical Society of London, and aided by Her Majesty's government - Schomburgk, Robert H. (Robert Hermann), 1804 -1865 (Ackermann and Co, 1841)

Über eine besondere Kategorie von Krystallbehältern - Rothert, W (Gotthelft, Königl. Hofbuchdruckerei, 1899)

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

Über die Einrichtungen zur Befruchtung Britischer und ausländischer Orchideen durch Insekten : und über die günstigen Erfolge der Wechselbefruchtung - Darwin, Charles, 1809 -1882 (Schweizerbart'sche Verlagshandlung, 1862)

Über die von Herrn Prof. Voeltzkow auf Madagaskar und in Ostafrika erbeuteten Vaginuliden, nebst verwandtem material von ganz Afrika - Simroth, Heinrich, 1851 -1917 (E. Schweizerbart'sche verlagsbuchhandlung, Nägele & Dr. Sprosser, 1913)

Über Orchideen. Deutsche Original-Ausgabe - Boyle, Frederick, 1841 -1914 (Parey, 1896)

Un-established orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exotic Plant Company, 1952)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1863)

United States Nurseries' wholesale autumn catalogue of bulbs and seeds and plants for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1892)

The Universal herbal; or, Botanical, medical, and agricultural dictionary; containing an account of all the known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied, whether as food, as medicine, or in the arts and manufactures, with the best methods of propagation, and the most recent agricultural improvements ... - Green, Thomas. (Caxton Press, 1824)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1972)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1973)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1979)

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

Unter den tropen; wanderungen durch Venezuela, am Orinoco, durch Britisch Guyana und am Amazonenstrome in den jahren 1849-1868 - Appun, Carl Ferdinand, 1820 -1872 (1871)

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

La variabilité des espèces et ses limites - Faivre, Ernest, 1827 -1879 (G. Baillière, 1868)

La variabilité des espèces et ses limites - Faivre, Ernest, 1827 -1879 (Germer Baillière, 1868)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (J. Murray, 1905)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1883)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1896)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1894)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (John Murray, 1868)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (Appleton, 1897)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton, 1897)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton, 1887)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (Orange Judd & Co, 1868)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (J. Murray, 1885)

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)

The various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (Appleton, 1877)

The various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (J. Murray, 1904)

The various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (John Murray, 1877)

Various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (Appleton, 1892)

The various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (John Murray, 1890)

The various contrivances by which orchids are fertilised by insects - Darwin, Charles, 1809 -1882 (J. Murray, 1899)