He then moved to study at the University of Vienna to specialize in Arctic ethnology In the spring of 1937 he undertook field research for several weeks during a trip in Carpathian Ruthenia, in eastern Czechoslovakia.
He then moved to study at the University of Vienna to specialize in Arctic ethnology. He returned to Prague in July 1937 and undertook field research for several weeks during a trip in Carpathian Ruthenia, in eastern Czechoslovakia.