00278nam a2200109Ia 450000500170000000800410001708200180005810000220007624500350009826000210013330000140015420260205101221.0260111s9999||||xx |||||||||||||| ||und||  aR  709.73 ROB  aRobertson , Bruce 0aTwentieth century american art  aWashingtonc2000  a303 pages