Król, Aleksander (1890-1971). Editor

Król, Aleksander (1890-1971). Editor

Landolt, Hans Heinrich (1831-1910) Börnstein, Richard (1852-1913) Roth, Walther A. Editor Scheel, Karl. Editor Akerlöf, G.

Fleischer, Gerhard (1911- )

Ritz, Joseph Maria (1892-1960) Reitzenstein, Alexander von (1904-1986) Lill, Georg (1883-1951). Editor Müllerklein, Kurt. Photographer Mitterwieser, Alois (1876-1943). Preface

Venohr, Kuno (1902- )

Małkowski, Stanisław (1889-1962). Editor Janczewski, E. W. Editor

Gabriel, Stanisław (1899- ) Mazurek, Jan (1893- )

Raabe, Eugeniusz Telesfor (1874-1944)

Ehrenstein, Walter (1899-1961)

Becker, Dietrich (1908- )

Krüger, Friedrich (1877-1940) Zickermann, Charlotte (1902- )

Sagel, Hans (1907- )

Bass, N. Wood (1893-1979) Dillard, W. Reese Hengst, Jess H. United States of America. Geological Survey.

Baker, Arthur Alan (1897-1996) United States of America. Geological Survey.

Fisher, D. Jerome (1896-1988) United States of America. Geological Survey.

Smith, Philip Sidney (1877-1949) United States of America. Geological Survey.

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

Cooke, C. Wythe (1887-1971) United States of America. Geological Survey.

Parker, Frank Stephen (1905-1984) United States of America. Geological Survey.

Pardee, Joseph Thomas (1871-1960) United States of America. Geological Survey.

Pierce, William Gamewell (1904-1994) United States of America. Geological Survey.