In January 1932 he visited Persian Baluchistan and travelled to Kerman. For this short expedition he employed a Hungarian assistant, the young Indologist Károly Fábri (1899-1968). In September he set off again for Iran, and during his second expedition from 1932 to 1933 he continued his explorations along the Persian Gulf, passing through Minab, Hormuz, Bandar Abbas, and the costal area of Laristan to Bushire. On his third expedition (1933-1934) he travelled through eastern Fars, while the fourth Iranian expedition (1935-36) took him from western Fars to Iranian Kurdistan. During these expeditions, he excavated sites dating from the Neolithic to the Islamic period.