Besides the Humanities scholarship, this series expands to Social Sciences, including politics, military affairs, economics, law, society, diplomacy and international relations. Not only does it consist of renowned think tanks worldwide, but it also provides various materials of different languages, such as: Russian, German, Arabic, Ukrainian, among others. This series collects numerous significant newspapers and the first-hand research reports from great powers. Meanwhile, it also features many exclusive documents and literatures from Muslim, Eastern Europe and the Middle East that are hard to access elsewhere.