ProQuest

ProQuest is a platform where you can search the following 17 databases.
1.Acta Sanctorum‎
2.Agricultural & Environmental Science Collection‎
3.Coronavirus Research Database‎
4.Digital National Security Archive‎
5.Early Modern Books‎
　・Early English Books Online‎
　・Early European Books‎
6.Ebook Central‎
7.Luthers Werke
8.Patrologia Latina‎
9.Periodicals Archive Online‎
10.Periodicals Index Online‎
11.ProQuest Dissertations & Theses Global
12.ProQuest Historical Annual Reports
13.ProQuest Historical Newspapers: Chinese Newspapers Collection‎
14.ProQuest Historical Newspapers: The Times of India
15.PTSDpubs
16.Publicly Available Content Database‎
17.Social Science Premium Collection
　・Criminology Collection
　　◦Criminal Justice Database
　　◦National Criminal Justice Reference Service (NCJRS) Abstracts Database
　・Education Collection
　　◦Education Database‎
　　◦ERIC
　・International Bibliography of the Social Sciences (IBSS)‎
　・Library & Information Science Collection
　　◦Library & Information Science Abstracts (LISA)‎
　　◦Library Science Database
 　・Linguistics Collection
　　◦Linguistics and Language Behavior Abstracts (LLBA)‎
　　◦Linguistics Database
　・Politics Collection‎
　　◦PAIS Index‎
　　◦Policy File Index
　　◦Political Science Database‎
　　◦Worldwide Political Science Abstracts
　・Social Science Database‎
　・Sociology Collection‎
　　◦Applied Social Sciences Index & Abstracts (ASSIA)‎ 
　　◦Sociological Abstracts
　　　・Social Services Abstracts‎
　　　・Sociological Abstracts
　　◦Sociology Database‎