It is used in almost all primary and secondary schools, universities, academic institutions, as well as public libraries.
The Book Classification of Chinese Libraries (BCCL) was first published in 1975, under the auspices of China's Administrative Bureau of Cultural Affairs.
CLC has twenty-two top-level categories, and inherits a Marxist orientation from its earlier editions.
[2] (For instance, category A is Marxism, Leninism, Maoism & Deng Xiaoping Theory.)
It contains a total of 43600 categories, many of which are recent additions, meeting the needs of a rapidly changing nation.