1, China Library Online (providing consulting services for 3,600 foreign periodicals)

Website: plinker.cnpeak.com

2. National Literature Center for Philosophy and Social Sciences (providing 2039 Chinese periodicals and 7898 foreign periodicals)

Website:

4. Chinese book digital resource group library of National Library (providing more than 1.7 million volumes of books on various subjects, which can be read online).

Website: /web/guest/zhongwentushu

5. Chinese academic journals of Hans Publishing House (free download and reading of 125 international open source Chinese journals)

Website:

7. National Academic Journals Database of Philosophy and Social Sciences (the largest database of outstanding journals of public welfare social sciences in China, with more than 600 outstanding academic journals and nearly 3 million papers)

Website:

9. University of California Dissertation Library (free abstract)

Website:

10, the magic weapon of Peking University (you can search the legal database of laws and regulations, judicial cases, law journals, law firm practices, etc. )

1 1, national data (a database for querying and downloading massive data provided by China National Bureau of Statistics, including data of various regions and countries).

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