VPN is needed for off-campus access
UCLA, UCB and UCSD are trying these two databases at http://dsgs.goosuudata.com until 5/31.
中共党史经典文献数据库 and 中华人民共和国国史数据库
Ainosco Search 是科探索 (full text book search engine for books published in Taiwan, Hong Kong and mainland China): https://www.ainoscosearch.com/ good through 5/31/24