1, Wiley InterScience (English Literature Journal).

Willie InterScience is John Willie &; The dynamic online content service created by Sons Company was launched on 1997. Through InterScience, Wiley Company provides users with online access to full-text content in the form of license agreement.

Wiley InterScience has collected more than 360 scientific, engineering, medical and related professional journals, more than 30 large-scale professional reference books, the full text of 13 laboratory manual and the full text of Wiley academic books on more than 500 topics.

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2、ICPSR .

The full name of ICPSR is the Inter-University Association for Political and Social Studies, that is, the American Inter-school Social Science Data Sharing Alliance.

Founded in 1962, located at the University of Michigan in Ann Arbor (18 17-). It has stored 17000 kinds of investigation and research materials, such as the general roster of military officers and soldiers, wills, testamentary inspections, tax payment records, etc. It is now the largest social science data center in the world, with more than 600 data centers.

Website: http://www.icpsr.umich.edu/icpsrweb/landing.jsp. Among them, more than 400 member institutions are in the United States, and China National Population Development Research Strategy Research Group, Peking University, Hong Kong University, Hong Kong University of Science and Technology and Hong Kong Baptist University are also members.