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Abbayes, Henri Robert Nicollon des (1898 – 1974) |
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Abbott, Ernest Victor (1899 – 1980) |
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Ablakatova, Aleksandra Aleksandrovna (1907 – 29 October 1988), with text and portrait |
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Abramov, Ivan Nikolayevich (5 May 1884 – 8 April 1953), with text |
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Acharius, Erik (1757 – 1819) |
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Acloque, Alexandre Noël Charles (1871 – 1908) |
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Acton, H.W. (pub. 1919) |
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Adametz, L. (pub. 1886) |
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Adami (1917) |
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Adams, James Fowler (1888 – ?) |
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Adanson, Michel (1727 – 1806) |
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Ade, Alfred (17 July 1876 – 12 November 1968) |
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Aderhold, Rudolph Ferdinand Theodor (1865 – 1907) |
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Afzelius, Adam (1750 – 1837) |
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Agardh, Carl Adolf (1785 – 1859) |
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Agardh, Jakob Georg (1813 – 1901) |
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Aggéry, Anna Berthe Emma (1892 – ?) |
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Agnihothrudu, V. (1930 – 1999) |
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Ahlburg, Hermann (? – 1878) |
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Ahmad, Sultan (6 June 1910 – 11 November 1983) |
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Aigret, Louis Clément Joseph (1856 – 1921) |
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Ainsworth, Geoffrey Clough (9 October 1905 – 1998), with portraits |
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Ajello, Libero (1916 – 2004), with portrait |
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Alberti, Antonio (‘Florentino Rial’) (1785 – 1861) |
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Albertini, Johannes Baptista von (17 February 1769 – 6 December 1831) |
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Alexeev, A. (pub. 1911) |
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Alexopoulos, Constantine John (1907 – 1986) |
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Allen, Thomas Cort (1899 – ?) |
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Allescher, Andreas (6 June 1828 – 10 April 1903) |
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Alm, Carl Gustav (1888 – ?) |
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Almeida, José Veríssimo de (1834 – 1915) |
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Almquist, Sigfried Osker Immanuel (1844 – 1923) |
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Ames, Adeline (1879 – 19?) |
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Ames, Frank H. (8 October 1852 – 1 August 1917), with portrait |
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Ames, Lawrence Marion (1900 – 1966), with portraits |
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Amo y Mora, Mariano del (1809 – 1896) |
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Anastasia, Giuseppe Emilio (1870 – 1934) |
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Anders, Joseph (1863 – 1936) |
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Anderson, Frederick William (1866 – 1891) |
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Anderson, Harvey Warren (1885 – 1971) |
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Anderson, Paul Johnson (1884 – 1971) |
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Andersson, Gustaf Oskar (1864 – 1967) |
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Andres, Heinrich (1883 – 1970) |
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Antoine, E. (pub. 1917) |
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Antoniu-Murgoci, Adriana (1909 – 1987) |
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Anzi, Martino (1812 – 1883) |
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Apinis, Arvids Eduards (1907 – 1979) |
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Appel, Friedrich Carl Louis Otto (1867 – 1952) |
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Apstein, Carl (1862 – 1950) |
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Arcangeli, Giovanni (1840 – 1921) |
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Archer, William Andrew (1894 – 1973) |
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Archibald, Robert George (1880 – 1953) |
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Areger, F.W. (pub. 1917) |
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Ark, Peter Alexander (1899 – ?) |
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Armstrong, George Miller (1893 – ?) |
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Arnaud, Gabriel (1882 – 1957) |
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Arnaud, Jean André Michel (1760 – 1831) |
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Arnautov, Nicolas N. (1887 – 1961) |
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Arnold, Ferdinand Christian Gustav (24 February 1829 – 8 August 1901) |
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Arnott, George Arnott Walker (1799 – 1868) |
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Arnould, Léon (pub. 1893) |
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Arrhenius, Johan Peter [Pehr, Petter] (1811 – 1889) |
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Artari, Alexander Petrovich (1862 – 1919) |
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Artault, St. (pub. 1893) |
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Artemchuk, Nina Yakovlevna (1936 – 1975), with text |
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Arthaud-Berthet, Julio Loão (1875 – 1941) |
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Arthur, Joseph Charles (1850 – 1942), with portraits |
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Arthur, John Morris (1893 – ?) |
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Aruch, E. (pub. 1895) |
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Arwidsson, Thorsten (1904 – 1948) |
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Arx, Josef Adolph von (1922 – 13 April 1988) |
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Asahina, Yasuhiko [Jasuhiko] (1881 – 1975) |
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Ascherson, Paul Friedrich August (1834 – 1913) |
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Ashby, Sidney Francis (1874 – 1954), with portrait |
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Asmunt, Rudolphi (? – 1831) |
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Atkinson, George Francis (1854 – 1918), with portrait |
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Atthey, Th. (pub. 1869) |
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Auerswald, Bernhard (19 March 1818 – 30 June 1870) |
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Averna-Saccá, Rosario (1883 – 1951) |
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Avetta, P. (pub. 1880) |
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Ayers, Theodore Thomas (1900 – 1967) |