 While there, he wrote essays on Simón Bolívar and Francisco Goya, and began work on the novel "Prokleta avlija" (The Damned Yard).In June 1929, he was named secretary of the Yugoslav legation to Belgium and Luxembourg in Brussels.On 1 January 1930, he was sent to Switzerland as part of Yugoslavia's permanent delegation to the League of Nations in Geneva, and was named deputy delegate the following year.