Maupassant, Guy de (1850-1893)

Lübke, Wilhelm (1826-1893)

Lübke, Wilhelm (1826-1893) Burckhardt, Jacob (1818-1897). Editor Haupt, Karl Albrecht (1852-1932). Editor

Wedekind, Rudolf (1883-1961) Königlich Preussische Geologische Landesanstalt

Spencer, Arthur Coe (1871-1964) United States of America. Geological Survey.

Winchester, Dean Eddy (1883-1936) Hares, Charles Joseph (1881-?) Lloyd Russell E. Parks, E. M. United States of America. Geological Survey.

Shaw, Eugene Wesley (1881-1935) Matson, George Charlton (1873-?) Wegemann, Carroll Harvey (1879-?) United States of America. Geological Survey.

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

Wegemann, Carroll Harvey (1879-?) United States of America. Geological Survey.

Keilig, Fritz (1889- )

Condit, Daniel Dale (1886-?) United States of America. Geological Survey.

English, Walter A. United States of America. Geological Survey.

Condit, Daniel Dale (1886-?) United States of America. Geological Survey.

Eckardt, Anton Hefele, Fritz. Preface

Mansfield, George Rogers (1875-1947) United States of America. Geological Survey.

Lee, Willis Thomas (1864-1926) United States of America. Geological Survey.

Ransome, Frederick Leslie (1868-1935) Gale, Hoyt Stoddard (1876-1952) United States of America. Geological Survey.

Lupton, Charles Thomas (1878-1935) United States of America. Geological Survey.

Stebinger, Eugene (1883-1951) United States of America. Geological Survey.

Zimmermann, Max Georg (1861-1919). Editor

Zimmermann, Max Georg (1861-1919). Editor

Smith, George Otis (1871-1944) United States of America. Geological Survey.

Capps, Stephen Reid (1881-1949) Johnson, Bertrand Leroy (1882-?) United States of America. Geological Survey.

Capps, Stephen Reid (1881-1949) United States of America. Geological Survey.