1.
Reform Activities of TCM Circle and Local Society in Tianjin during the Beiyang New Policy;
北洋新政时期天津中医界的改革活动与地域社会
2.
The Social Integration of the Zhili Area in the Early Twentieth Ce ntury:Evaluating Yuan Shikai and the Late Qing Reform of the Beiyang Army;
论20世纪初直隶地区的社会整合──兼评袁世凯与北洋新政
3.
press law under the Northern Government
北洋政府的新闻法规
4.
Non-interference Policy of the Northern Chinese Government in Xinjiang towards the Russian Revolution;
北洋政府在新疆对俄国革命的不干涉政策
5.
A Constructine and Geative Big Work--Comments on The Brief History of the Northern Government;
一部开拓与创新的力作——评《北洋政府简史》
6.
Tradition "ritual" and modern times "law"--Comments the Beiyang government criminal activity legislation by "Temporary New Criminal law";
传统的“礼”与近代的“法”——由《暂行新刑律》评北洋政府刑事立法
7.
The Holocene Paleoclimate and Paleoceanography in the Northern North Atlantic;
北大西洋北部全新世气候及海洋环境演变
8.
Research on the Relieving Famine Policy during Northern Warlords Government (1912-1927);
北洋政府时期（1912-1927）荒政研究
9.
Agricultural administrations and policies under the Northern Warlord Government (1912-1928);
北洋政府时期的农政机构与农业政策(1912—1928年)
10.
The County Administration System in the Northern Warlords Government Period
走出传统:北洋政府时期的县公署制度
11.
The Northern Government measured land, restructured the farm tax and excise tax, encouraged to reclaimed land;
北洋政府清丈土地,整顿赋税,鼓励垦荒;
12.
Study on the Recovery of Tianjin and Hankou s German Concessions by Beiyang Government;
论北洋政府对天津、汉口德租界的收回
13.
The Foreign Troops and the Political Situation in Guangdong in the Reign of Northern Warlords(1913～1925);
北洋时期的入粤客军与广东政局（1913～1925）
14.
A Commentary on Female Normal Education in the Period of Late Qing Dynasty and Beiyang State;
清末北洋政府时期女子师范教育述评
15.
The Financial Division of the Central and Locality during the Period of the Governments of the Northern Warlords (1912--1927);
北洋时期的国地财政划分（1912—927年）
16.
Exercising the Constitution,Forming the Cabinet and Political Reorganization of Late Beiyang Warlords;
行宪、组阁与1926年北洋军阀的政治整合
17.
The Three Weaknesses of Northern Warlords Government of China in Paris Peace Conference;
北洋政府在巴黎和会上的三大“软肋”
18.
Discussion on China s Termination of Relationship with the Soviet Union between 1918 and 1920;
试论1918—1920年北洋政府与俄关系