1Doctorate Recipients from United States Universities: Summary Report 2001, by Survey of Earned Doctorates. NORC at the University of Chicago, Chicago, Illinois, 2002.
2Financial Report to the Board of Overseers of Harvard College, Fiscal Year 2001 - 2002.
3The Graduate School of arts and Sciences, Handbook 2002 - 2003, by Official Register of Harvard University.
4Interview with Professor William C. Kirby, Dean of the faculty of Arts and Sciences, Harvard university, December 12, 2002.
5Interview with Professor Peter T. Ellison, Dean of the Graduate School of Arts and Sciences, Harvard University, December 11, 2002.
6Interview with Guanglin Liu, Zhiying Chen, Zhuoying Li, Wenhua Di, Chuo Chen etc,Chinese Graduates studying in Harvard and MIT, December 11 & 12, 2002.
7Courses of Instruction, 2001-2002, Harvard University, Faculty of Arts and Sciences.
8Harvard University Graduate Study in History, the Department of History, Harvard University.
