1) Chinese Scientific and Technical Serial Publications in the Collections of the Library of Congress, 2) Mainland China Organizations of Higher Learning in Science and Technology and their Publication: a Selected Guide, and 3) Nuclear Science in Mainland China. In 1967, Wang moved to the Orientalia Division (later changed to the Asian Division) and served as Assistant Head of the Chinese and Korean Section. While purchasing publications directly from China was not possible at the time, he worked with the section Head Dr. K.T. Wu, a Chinese studies scholar/librarian, to strengthen contacts with vendors and exchange partners in Hong Kong and Taiwan to develop the library's collection on modern China. In 1969, after seven years of attending evening classes, he earned his doctoral degree in East Asian History from Georgetown University with minors in American Diplomacy and Soviet Foreign Policy. After receiving his Ph.D., Dr. Wang began his part-time teaching career at Georgetown University. He has taught courses and advised graduate students in International Relations and Chinese History and Diplomacy. In 1971, Dr. Wang was invited to serve as Librarian at the Chinese University of Hong Kong. Granted two years' leave from LC, he led the CUHK Library in building a new library system at the new campus in Shatin. He introduced the use of Library of Congress classification schemes and AACR2 in Hong Kong. In 1972, he represented the U.S government in negotiations to reestablish cultural ties with China. This trip led to a publication exchange between the Library of Congress and the National Library of Beijing. In 1975 when Dr. Wu retired, Chi Wang became the Head of the Chinese and Korean Section at the Library of Congress. During his tenure as the Assistant Head and Head of the Chinese and Korean Section, the Library of Congress's Chinese collection was greatly expanded. In the late 1960s, it possessed about 350,000 volumes of Chinese materials. In 2004, this number grew to nearly one million volumes. Dr. Wang chaired the Council on East Asian Libraries (CEAL) Chinese Materials Committee from 1989 to 1995, and served on the ALA International Relations Roundtable. Shortly after President Richard Nixon's visit to Beijing in 1972, he was invited by the Chinese government to travel to Beijing to establish the publication exchange between the Library of Congress and the National Library of Peking, followed by signing of a formal exchange agreement in 1979. In 1979