1.
press law under the Northern Government
北洋政府的新闻法规
2.
Research on the Relieving Famine Policy during Northern Warlords Government (1912-1927);
北洋政府时期（1912-1927）荒政研究
3.
The comparation of the system of civil service examination between Beiyang government and Nanjing civil government;
北洋政府与南京国民政府文官考试制度之比较
4.
Northern Warlords Government's Appropriation to Nanjing Public Schools
论北洋政府时期政府对南京公立学校拨款状况
5.
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
6.
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;
7.
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
8.
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
9.
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”
10.
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
11.
Study of the Beiyang government Loans for Relieving from 1920 to 1921;
1920年至1921年北洋政府赈灾借债研究
12.
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)
13.
District and Township Civil Servicein China during Three Decades in Early 20~(th) Century;
清末至北洋政府时期区乡行政制度考略
14.
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
15.
The Commentary of the Development of the System of the Beiyang Government in the Late Period (1924-1928)
北洋政府晚期政体形式的演变述论（1924-1928）
16.
The Beiyang Government ’s Attitude and Policy towards the Medical Missionary Enterprise
北洋政府对待教会医疗事业的态度和政策
17.
Modern Industrial Growth and Beiyang Government;
近代工业增长与北洋政府——弱政府与工业增长关系的近代样本
18.
Transformation from Forest Outlaws to Warlords Army during the Reign of Northern Warlords Government
浅析北洋政府时期绿林向军阀部队的转化