Nawroczyński, Bogdan (1882-1974)

Krzyszkowski, Wacław. Editor

Bradley, Harry Cyrus (1871-1936) Uhler, Eugene Henry (1884- )

Pierce, William Gamewell (1904-1994) Hunt, Charles Butler (1906-1997) United States of America. Geological Survey.

Hendricks, Thomas Andrews (1907-1985) United States of America. Geological Survey.

Mertie, John Beaver (1888-1980) United States of America. Geological Survey.

Mertie, John Beaver (1888-1980) United States of America. Geological Survey.

Zirkwitz, Viktor

Hausmann, Edgar (1910- )

Sodomann, Heinrich (1907- )

Szelichowski, Józef Dobiecki, Adam

Staack, J. G. (1878- ) United States of America. Geological Survey.

Staack, J. G. (1878- ) United States of America. Geological Survey.

United States of America. Geological Survey. Ayvazoglou, W. (1871-1956). Editor

United States of America. Geological Survey. Ayvazoglou, W. (1871-1956). Editor

United States of America. Geological Survey. Ayvazoglou, W. (1871-1956). Editor

United States of America. Geological Survey. Ayvazoglou, W. (1871-1956). Editor

United States of America. Geological Survey. Willmarth, M. Grace (1866-1949). Editor

Staack, J. G. (1878- ) United States of America. Geological Survey.

Staack, J. G. (1878- ) United States of America. Geological Survey.

Callaghan, Eugene (1904-1990) United States of America. Geological Survey.