French, Thomas Ewing (1871-1944)

Eckardt, Anton Mader, Felix (1867-1941). Editor Lösti, Georg (1859-1943). Photographer Ring, Hans (1883-1955). Preface

Schmidt-Nickels, Wilhelm (1901- )

Gruber, Carl (1885-1966) Keyser, Erich (1893-1968)

Röttger, Bernhard Hermann (1891-1945) Mader, Felix (1867-1941). Editor Lösti, Georg (1859-1943). Photographer Höpfl, Simon (1883-1949). Preface

Kijeński, Tadeusz (1898-1948)

Witt, Günter (1903- )

Prill, Felician (1904- )

Koop, Reinhard (1901- )

Łukasiewicz, Stanisław (1884-1960)

Höring, D. Otto

Der Ausschuss für den Hafen und die Wasserwege (Danzig)

Bierowski, Tadeusz. Preface

Grover, Nathan Clifford (1868-1956) Harrington, Arthur William (1888-1964) Horton, Albert Howard (1875-1945) Lee, Lasley (1887- ) Grosbach, H. E. King, Warren Raymond Burchard, E. D. United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Soulé, S. B. Grosbach, H. E. Lee, Lasley (1887- ) Harrington, Arthur William (1888-1964) Pierce, Charles Henry (1878- ) Kinnison, Harvey Banks (1890- ) United States of America. Geological Survey.

Collier, Arthur James (1866-1939) United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Lamb, William Alfred (1881- ) Soulé, S. B. Spiegel, Jacob Birk Grosbach, H. E. Beckman, Henry Claus (1888- ) United States of America. Geological Survey.

Renick, Brink Coleman (1897- ) Riffenburg, Harry Buchholz (1891- ) United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Horton, Albert Howard (1875-1945) Burchard, E. D. King, Warren Raymond United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Follansbee, Robert (1879-1952) Purton, Astley B. (1886-1962) Dickinson, W. E. United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) McGlashan, Harry Deyoe (1879- ) Henshaw, Fred Forbes (1884-1933) United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Purton, Astley B. (1886-1962) McGlashan, Harry Deyoe (1879- ) Henshaw, Fred Forbes (1884-1933) Paulsen, Carl G. Follansbee, Robert (1879-1952) United States of America. Geological Survey.

Grover, Nathan Clifford (1868-1956) Baldwin, George Clyde (1884-1951) Parker, Glenn Lane (1884-1946) Paulsen, Carl G. Purton, Astley B. (1886-1962) Henshaw, Fred Forbes (1884-1933) United States of America. Geological Survey.