When the mainland was in the midst of civil war, Stanford graduate Mary Wright and her husband furiously collected books in Peking. At the time of the retreat from the mainland, she took an American naval aircraft to Yen'an to save several tons of historical materials on the development of Chinese communism.
大陸內亂時，史丹福校友 Mary Wright 與其先生，也在北平拚命收集書籍，大陸撤退之際，她還坐美國軍機、馬車進入延安，「救」出了幾十噸有關中共發展的史料。