1. The schools with different propositions. All subjects starting with the number 6 are subject codes independently determined by each unit. Note that the subject codes starting with 6, 7 and 8 are not uniform throughout the country, so subjects with different codes or even the same code may often have different title types, different scopes, different difficulties and different bibliographies.

2. It is suggested that you go to official website, the school where you are applying, to check the master's professional catalogue, preliminary examination outline or bibliography, so as to understand the specific scope and requirements.