Moniuszko, Stanisław (1819-1872)
Boulton, William Henry (1869- ) Michałowski, Kazimierz (1901-1981). Translator Michałowski, Kazimierz (1901-1981). Preface
Nawroczyński, Bogdan (1882-1974)
Kerschensteiner, Georg Michael Anton (1854-1932) Tom, Alfred (1879-1944) Translator
Bradley, Harry Cyrus (1871-1936) Uhler, Eugene Henry (1884- )
Fritzler, Hildegard (1907-1987)
Silber, Anatol (1904- )
Zirkwitz, Viktor
Greiner, Bodo (1907- )
Koop, Reinhard (1901- )
Arndt, Ernst (1904- )
Hausmann, Edgar (1910- )
Firla, Tadeusz (1908- )
Lührmann, Herta (1912- )