四十年代卢芹斋出版「中国宋代壁画」及「中国古代石雕」画册两本，卢芹斋为近代中国古董商人，活跃于民国至抗战前后，据说经他偷运出中国的国宝级古董数量甚钜，此两本册子的内容应包括在内；China, Republic, An Exhibition of Chinese Stone Sculptures and Chinese Frescos of Northern Sung, 1940 and 1949, published by C.T. Loo, a famous antique dealer who had shops in Paris and New York during the 1930s to 50s, some reports said that he was the largest smuggler of Chinese art treasures and had smuggled hugh amount of Chinese historical relic from China to Western country, these books show some examples,well preserved.(2)
