Zhejiang university library. Wisdom Ancient Books Platform is a digital platform for ancient books jointly developed by Zhejiang University Library and Zhejiang University Institute of Ancient Books. The platform contains many works such as Song Works Collection and Cheng Yibo Literature Collection, as well as the data of many authors such as Song Lian, Liu Ji and Bai Yue, as well as the social relationship charts and genealogy charts of historical and cultural celebrities such as Tao and Tang Xianzu.