Princeton Library has access to some files of declassified material on China (and some Japan) on national security, namely on the Chinese Civil War and the Tiananmen Square incident. These collections have now moved into the Archives Unbound database, also known as the Declassified Documents Reference Service, and newly include also Records of the U.S. Information Service in China: Chinese Press Reviews and Summaries, 1944-1950; 19th Century English-Language Journals from the Far East; General George C. Marshall's Mission to China, 1945-1947; Political, Economic, and Military Conditions in China: Reports and Correspondence of the U.S. Military Intelligence Division, 1918-1941; and Political Relations and Conflict between Republican China and Imperial Japan, 1930-1939: Records of the U.S. State Department.
Digitized one of the most important reference works for factual data on the Jesuits who went to China in the sixteenth to eighteenth centuries, Joseph Dehergne, Repertoire des Jesuites de Chine (Rome, 1973).
Full text images of hundreds of thousands of government documents from the Ming and Qing dynasties held at the Academia Sinica, searchable by official, title, matter and document number. Special viewing software is needed. Viewing is possible on the whole campus; printing is restricted to the East Asian Library.
For instructions and Princeton passwords see the EAL pages. Printing is restricted to the EAL.