 Thanks to his relationships with Hans Posse and with Hitler, he sold over 100 paintings designated for the Linz collection.When Posse went to France under Hitler's orders, he took the unscrupulous Haberstock with him, and the dealer, working through 82 local agents, purchased 62 pieces for the Linz collection, including works by Rembrandt, Brueghel, Watteau and Rubens.Maria Almas Dietrich was another art dealer who did well by the Nazi obsession with obtaining art.