CAJ Chinese Journals Fulltext Database (CNKI) CAJ is a comprehensive, full-text database of Chinese journals. There are 10 Series databases--Science and Engineering (ABC), Agriculture, Medicine/Hygiene, Literature/History/Philosophy, Economics/Politics/Law, Education/Social Science, Electronics/Information Science; These are further divided into 168 Subject databases. At present, the library subscribes to the following two series: Series F: Literature/History and Philosophy (1994-) Series H:Education/Social Sciences (2014-)