The Thought on Two Kinds of Ethics source Thought of Niebuhr;

The thesis aims to study the moral values of the classical realism theory in international relationships from the respective of the four realism scholars: Machiavelli, Karl, Niebuhr and Morgenthau, interpreting the major contents and views on realism morals, thus illustrating the inheritance and relevance of the moral values of them.

Probe into Several Issues about the Arrangement of Chahaer Tribe(察哈尔部) in Early Qing Dynasty and Turbulence of Buerni(布尔尼);

Analysis of Buerni Event in 1675A.D from Sociology of Law;