Raczyński, Jerzy (1892-1930)
Wertyporoch, Eugen Johann (1898- )
Eckardt, Anton Mader, Felix (1867-1941). Editor Lösti, Georg (1859-1943). Photographer Mitterwieser, Alois (1876-1943). Preface
Zakrzewski, Konstanty (1876-1948)
Niewierowicz, Mikołaj
Mühlenfels, Albert (1895-?)
McDougall, William (1871-1938) Chałasiński, Józef (1904-1979). Translator
Kaufmann, Karl Josef (1865-1945). Editor
Pohlhausen, Ernst (1890-1964) Gdańsk University of Technology
Leonardo da Vinci (1452-1519) Reale Commissione Vinciana Ministero delle'Educazione Nazionale
Normenausschuß der deutschen Industrie Normenausschuss der Deutschen Industrie Gesellschaft der Freunde und Förderer der Hamburgischen Schiffbau-Versuchsanstalt Hafenbautechnische Gesellschaft
Grover, Nathan Clifford (1868-1956) Pierce, Charles Henry (1878- ) Kinnison, Harvey Banks (1890- ) Harrington, Arthur William (1888-1964) Hartwell, Oliver Whitcomb (1886- ) Horton, Albert Howard (1875-1945) United States of America. Geological Survey.
Grover, Nathan Clifford (1868-1956) Lamb, William Alfred (1881- ) Paulsen, Carl G. Follansbee, Robert (1879-1952) Spiegel, Jacob Birk Kinnison, Harvey Banks (1890- ) Beckman, Henry Claus (1888- ) United States of America. Geological Survey.
Smith, Philip Sidney (1877-1949) United States of America. Geological Survey.
Douglas, Edward Morehouse (1855-1932) United States of America. Geological Survey.
Ross, Clyde Polhemus (1891-1965) United States of America. Geological Survey.
Reeves, Frank (1886-1986) Ross, Clyde Polhemus (1891-1965) United States of America. Geological Survey.
Kräusel, Richard (1890-1966) Weyland, Hermann Königlich Preussische Geologische Landesanstalt
Freytag, Heinz Julius Königlich Preussische Geologische Landesanstalt
Schott, Wolfgang (1905-1989) Königlich Preussische Geologische Landesanstalt
Deutsche Landwirtschafts-Gesellschaft