Schaller, Waldemar Theodore (1882-1967) Henderson, Edward Porter (1898- ) United States of America. Geological Survey.

Magyar Királyi Földtani Intézet (Budapest)

Rubey, William Walden (1898-1974) Stany Zjednoczone. Geological Survey

Kalähne, Alfred (1874-1946)

Reed, John C. (1905-1993) Wells, Francis G. (1898-1969) United States of America. Geological Survey.

Wells, Francis Gerritt (1898-1969) Waters, Aaron Clement (1905-1991) United States of America. Geological Survey.

Knappen, Russell Stafford (1892-1982) Moulton, Gail Francis (1898-1974) United States of America. Geological Survey.

Thom, William Taylor (1891-1979) Hall, G. M. Wegemann, Carroll Harvey (1879-?) Moulton, Gail Francis (1898-1974) United States of America. Geological Survey.

Melcer, Henryk (1869-1928)

Geologiska Föreningen (Sweden).

Fischer, Paul (1859-1931)

Wippermann, Karl (1831-1911) Müller, Wilhelm (1820-1892). Red.

Wippermann, Karl (1831-1911) Müller, Wilhelm (1820-1892). Red.

Schmidt, Karl Eduard (1850-1927). Wyd.

Korolenko, Vladimir Galaktionovič (1853-1921). Red. Mihajlovskij, Nikolaj Konstantinovič (1842-1904). Red.

Kozlov, Aleksej Aleksandrovič (1831-1900)

Kozlov, Aleksej Aleksandrovič (1831-1900)

Kozlov, Aleksej Aleksandrovič (1831-1900)

Kozlov, Aleksej Aleksandrovič (1831-1900)