1. IOR/L/MIL/7/1-153 Reference (shelfmark): IOR/L/MIL/7/1-153 Title: Collection 1 Royal Engineers in India: establishment, organisation, etc. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1853-1947 Extent: 153 files
2. IOR/L/MIL/7/154-463 Reference (shelfmark): IOR/L/MIL/7/154-463 Title: Collection 2 Indian Medical Service: reorganisation etc. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1862-1948 Extent: 313 files
3. IOR/L/MIL/7/464-497 Reference (shelfmark): IOR/L/MIL/7/464-497 Title: Collection 2A Indian Medical Service: confidential reports on officers. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898-1920 Extent: 34 files
4. IOR/L/MIL/7/498-568 Reference (shelfmark): IOR/L/MIL/7/498-568 Title: Collection 3 Indian dockyards: constructors, builders, draughtsmen, etc. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898-1920 Extent: 71 files
5. IOR/L/MIL/7/569-643 Reference (shelfmark): IOR/L/MIL/7/569-643 Title: Collection 4 Aden defences and garrison Collection Area: India Office Records and Private Papers Languages: English Date Range: 1881-1929 Extent: 75 files
6. IOR/L/MIL/7/644-649 Reference (shelfmark): IOR/L/MIL/7/644-649 Title: Collection 4A Aden defences and garrison: early papers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1847-1878 Extent: 6 files
7. IOR/L/MIL/7/650-731 Reference (shelfmark): IOR/L/MIL/7/650-731 Title: Collection 5 Terms of employment and pensions of officers lent for service under other governments Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871-1935 Extent: 82 files
8. IOR/L/MIL/7/732-745 Reference (shelfmark): IOR/L/MIL/7/732-745 Title: Collection 6 Royal Artillery and Royal Engineers: relative position of officers of Indian and old Royal Lists under Royal Warrant of 11 May 1882. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1882-1890 Extent: 15 files
9. IOR/L/MIL/7/746 (Sub-series) Reference (shelfmark): IOR/L/MIL/7/746 (Sub-series) Title: Collection 6A Bhootan [Bhutan] Expedition Collection Area: India Office Records and Private Papers Languages: English Date Range: 1865 Extent: 1 file
10. IOR/L/MIL/7/747-751 Reference (shelfmark): IOR/L/MIL/7/747-751 Title: Collection 7 Egyptian Campaign 1882: pay and allowances Collection Area: India Office Records and Private Papers Languages: English Date Range: 1882-1884 Extent: 5 files