by Hans Pau ; translated by Gerhard Cibis. by Raymond Poincare ; translated by Bernard Miall. by Karl May ; translated by Michael Shaw. by Max Planck ; translated by Henry L. Brose. by Ayako Sono ; translated by Edward Putzar. by Maurice Maeterlinck ; translated by Bernard Miall. by Ma Hong ; translated by Yang Lin. by Liu Lili ; translated by Zhang Ruiqing. by Karl Marx; translated by G.A.Bonner and Emile Burns. Hans Hvass ; translated by Gwynne Vevers.