The Center has an extensive collection of microfilm of Foreign Office records, acquired from the Public Record Office and from various commercial micropublishers. The following presents a sample of what may be found in CRL's catalog. Notable collections may also be listed in the respective regional Topic Guides.

• FO 228 - Embassy and consular archives, China, general correspondence, Series I, 1834-1930
• FO 195 - Embassy and consulates, Turkey (formerly Ottoman Empire) : general correspondence, 1808-1962
• FO 204 - Embassy, consulates and legation. Mexico, general correspondence, 1822-1973
• FO 252 -  Foreign Office and Foreign and Commonwealth Office, embassy, legation and consulates. Guatemala : general correspondence
• FO 47 - General Correspondence before 1906. Liberia, 1848-1905
• FO 55 - General correspondence: Colombia and New Grenada, 1835-1905
• FO 371 - General correspondence, political. China
• FO 371 - General correspondence, political relating to Germany.
• FO 800 - Private collections. Ministers and officials (various)  : 1824-1949.
• FO 931 - [Qing dai Guangdong Sheng dang an] [Guangdong provincial archives].

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