China Renmin University's "Copying Newspapers" was published by the Information Center of Books and Newspapers of China Renmin University. The database is compiled from nearly 6,000 core journals published in China and journals with professional characteristics, covering all disciplines of humanities and social sciences from 65,438 to 0995, including philosophy, politics and sociology, law, economy and economic management, education, literature and art, history and cultural information dissemination.