Seals and other pictorial sources

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<li>Contang, Victoria 孔 達 , &amp; Wang Jiquan 王 季 銓 .&nbsp;<i>Maler-und Sammler-Stempel aus der Ming- und Ch’ing-Zeit</i>&nbsp;明 清 畫 家 印 鑒. Shanghai: Commercial Press, 1940.</li>
<li><i>Zhongguo li dai ren wu tu xiang suo yin</i>&nbsp;中 國 歷 代 人 物 圖 像 索 引 (Index to portraits of famous Chinese over the dynasties). Compiled by the Suzhou University Library. Nanjing: Jiangsu Educational Press, 1994. Contains the portraits of more than 4500 persons from antiquity to the end of the Qing dynasty published in 663 Chinese publications.</li>
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