Author
Haenig, Alfred
3
Head, Francis Bond
3
Buc'hoz, Pierre-Joseph (1731-1807)
2
Calkins, Frank C.
2
Darton, Nelson Horatio 1865-1948
2
Emmons, William H. 1876-1948
2
Eschwege, Wilhelm Ludwig von (1777-1855)
2
Flegel, Kurt 1880-1923
2
Geological survey
2
Helland, Amund
2
Humboldt, Alexander ¬von
2
Kannenberg, Karl
2
Knopf, Adolph
2
Lindgren, Waldemar 1860-1939
2
Minesota Mining Company
2
Reinisch, Reinhold 1867-1950
2
Sack, A.
2
Schrader, Frank C.
2
Spix, Johann Baptist von, 1781-1826
2
Trask, John B. (1824-1879)
2
Whittlesey, Charles (1808-1886)
2
Zückert, Johann Friedrich
2
Amoretti, Carlo
1
Andrews, Ernest C.
1
Ansted, David Thomas (1814-1880)
1
Argentine. Comisión Central de Minas
1
Argentinien
1
Atwood, Wallace Walter 1872-1949
1
Audran, Benoît (1661-1721)
1
Barrera, Tomas
1
Bean, Ernest F. 1882
1
Behrend, Fritz 24.06.1885-25.11.1949
1
Bertherand, Émile (1821-1890)
1
Beyer, August
1
Boutwell, John M.
1
Bowles, William
1
Bowles, William (1705-1780)
1
Bowles, William 1705-1780
1
Breithaupt, Johann Friedrich August (1791-1873)
1
Bright, Richard
1
Brock, Reginald W.
1
Brunet
1
Brünnich, Morten T.
1
Brünnich, Morten Thrane
1
Burat, Am (1809-1883)
1
Butler, B. S.
1
Bärtling, Richard, 1878-1936
1
Bülau, Friedrich
1
Cady, Gilbert H. 1882-
1
Camsell, Charles
1
more ...