| BCA-1 'The Great Game’: Handbooks and Intelligence Reports, 1871-1894 | | Number of microfiches | 22 |  | | BCA-2 Michell’s Russian Abstracts and Memoires, 1872-1883 | | Number of microfiches | 21 |  | | BCA-3 British Policy Papers and Memoranda, 1865-1898 | | Number of microfiches | 22 |  | | BCA-4 Foreign Office Confidential Printed Correspondence, 1899-1913 | | Number of microfiches | 19 |  | | BCA-5 Handbooks, Military Reports and Personalities, 1902-1929 | | Number of microfiches | 45 |  | | BCA-6 From Anglo-Russian Entente to Revolution and Rebellion: Political and Secret Files, 1903-c. 1924 | | Number of microfiches | 137 |  | | BCA-7 Soviet Central Asia - The Consolidation of Power: Political and Secret Files, c. 1924-1949 | | Number of microfiches | 128 |  | |
|