21. IOR/R/1/1/4820-4845 Reference (shelfmark): IOR/R/1/1/4820-4845 Title: Special Branch Files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930-1931 Extent: 36 files
22. IOR/R/1/1/4846 (Sub-series) Reference (shelfmark): IOR/R/1/1/4846 (Sub-series) Title: Federation Branch Files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1935-1937 Extent: 1 file
23. IOR/R/1/1/4847 (Sub-series) Reference (shelfmark): IOR/R/1/1/4847 (Sub-series) Title: War Branch Files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939-1945 Extent: 1 file
24. IOR/R/1/1/4848-4849 Reference (shelfmark): IOR/R/1/1/4848-4849 Title: Internal D Branch Files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1946-1947 Extent: 2 files
25. IOR/R/1/1/4850-4853 Reference (shelfmark): IOR/R/1/1/4850-4853 Title: Reforms Branch Files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1946-1947 Extent: 4 files
26. IOR/R/1/4/1-14 Reference (shelfmark): IOR/R/1/4/1-14 Title: General Branch, Secret Proceedings Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905-1913 Extent: 14 files
27. IOR/R/1/4/15-22 Reference (shelfmark): IOR/R/1/4/15-22 Title: General Branch, 'B' Proceedings Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912-1918 Extent: 8 files
28. IOR/R/1/4/23-29 Reference (shelfmark): IOR/R/1/4/23-29 Title: General & Honours Branch Files - first cycle Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922-1923 Extent: 7 files
29. IOR/R/1/4/30-34 Reference (shelfmark): IOR/R/1/4/30-34 Title: General Branch files - annual cycles Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1936 Extent: 5 files
30. IOR/R/1/4/35-55 Reference (shelfmark): IOR/R/1/4/35-55 Title: Honours Branch files - second cycle Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1927 Extent: 23 files