This series consists of reports, studies, and surveys on various topics of interest to the Department of State. The reports vary from short memorandums to detailed, documented studies. The topics vary from individual commodities or countries to the economic and political characteristics of whole regions. This collection consists of research and intelligence reports prepared during 1941-1947 on China.

• Foreign Office Files for China, 1919-1929
• Foreign Office Files for China, 1930-1937
• Foreign Office Files for China, 1938-1948
• Foreign Office Files for China, 1949-1956
• Foreign Office Files for China, 1957-1966
• Foreign Office Files for China, 1967-1980.

The documents combine eye-witness accounts, weekly and monthly summaries, annual reviews, reports and analyses with a synthesis of newspaper articles and conference reports, economic assessments and synopses on key events, leading personalities and all major new developments relating to China during the period. There is a constant exchange of information between London, the British Embassy in Beijing and its consular outposts. The papers also reflect the continual dialogue between Britain, America, Europe and the Commonwealth on issues relating to East Asia. Key topics covered include the civil war between the Communists and Nationalists in China, the Communist Revolution, the Korean War, the economic situation in China, industrialisation and modernisation, the First Five Year Plan 1953-1957, HMS Amethyst and the blockade of the Yangtze River, differences between British and American policy on China, British interests in Hong Kong and Shanghai, international trade, land reform, United States military support and financial aid for Formosa/Taiwan, Sino-Soviet relations and the Cold War.

• "General conditions in China" (MID 2055)
• "Political conditions, China" (MID 2657-1)
• "Economic conditions, China" (MID 2655-1)
• "Army, China" (MID 2009)
• "Navy, China" (MID 2733)
• "Aeronautics, China" (MID 2078).

This collection reproduces the six principal MID files relating exclusively to China for the period 1918 to 1941 (general conditions, political conditions, economic conditions, army, navy, and aeronautics). Also includes documents created by other U.S. Government agencies and foreign governments from the records of the Military Intelligence Division.

The records in this collection relate to political relations between China and Japan for the period 1930 -1939. The records are mostly instructions to and despatches from diplomatic and consular officials; the despatches are often accompanied by enclosures. Also included in these records are notes between the Department of State and foreign diplomatic representatives in the United States, memorandums prepared by officials of the Department. There are records on: the Japanese occupation of Manchuria, beginning with the Mukden incident, in 1931; military action at Shanghai in 1932; further Japanese political and economic penetration into China, 1935-1936; and the course of the undeclared war between Japan and China, 1937-1939.

This collection includes the microfilmed U.S. State Department records for 1910-1929 relating to the political relations between the United States and China and relations between China and other states. The collection includes instructions to and despatches from diplomatic and consular officials; the despatches are often accompanied with enclosures. Also included in these records are the correspondence, reports, and journals of the commissions concerned with extraterritoriality in China, as well as notes between the State Department and foreign diplomatic representatives in the United States, memoranda prepared by officials of the State Department, and correspondence with officials of other government departments and with private firms and individuals.