Boulton, William Henry (1869- ) Michałowski, Kazimierz (1901-1981). Translator Michałowski, Kazimierz (1901-1981). Preface
Kerschensteiner, Georg Michael Anton (1854-1932) Tom, Alfred (1879-1944) Translator
Fritzler, Hildegard (1907-1987)
Silber, Anatol (1904- )
Greiner, Bodo (1907- )
Arndt, Ernst (1904- )
Firla, Tadeusz (1908- )
Pavel, Dietmar. Editor
Krajewski, Roman (1906-1993)
Mader, Felix (1867-1941) Hager, Georg (1863-1941). Editor Mitterwieser, Alois (1876-1943). Preface Lösti, Georg (1859-1943). Photographer
Landolt, Hans Heinrich (1831-1910) Börnstein, Richard (1852-1913) Roth, Walther A. Editor Scheel, Karl. Editor Akerlöf, G.
Ritz, Joseph Maria (1892-1960) Lill, Georg (1883-1951). Editor Lösti, Georg (1859-1943). Photographer Schrötter, Georg. Preface
Pomianowski, Karol Michał (1874-1948) Prokopowicz, Marian (1875-aft. 1935). Editor