My cousin Carla who is writing a book about our family, suggested that some of my father's art may also have been looted by the Nazis. He had sold artworks to a number of wealthy Jewish collectors during the 1930's, living in the Belgrade and Zagreb areas of Former Yugoslavia. He had also spent some time in Prague...I look forward to investigating this possibility further with her. Below are scanned photographs of two early drawings (subject and whereabouts unknown):