Knowledge source: Superstar Digital Library was established in 1993, and it is a professional digital library solution provider and digital book resource provider in China. Superstar Digital Library is a demonstration project of China Digital Library under the national "863" plan, which was officially opened on the Internet in June 2000. Invested and built by Beijing Century Superstar Information Technology Development Co., Ltd., it currently has more than 800,000 kinds of digital books.

Coverage: covering philosophy, religion, social science, classical theory, ethnology, economics, natural science, computer and other disciplines. Our library has ordered more than 670,000 copies.

Collection period: 1977 till now.