1. IOR/L/MIL/3/1-78 Reference (shelfmark): IOR/L/MIL/3/1-78 Title: Military Letters from Bengal and India (Board's Copies) Scope & Content: IOR/L/MIL/3/1-19; 25-28 & 56-78 contain indexes. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1803-1858 Extent: 78 volumes
2. IOR/L/MIL/3/79-122 Reference (shelfmark): IOR/L/MIL/3/79-122 Title: Military and Marine Letters from India Scope & Content: Marine letters are included from 1867 (before which date see L/MAR Marine Records). Collection Area: India Office Records and Private Papers Languages: English Date Range: 1858-1879 Extent: 44 volumes
3. IOR/L/MIL/3/123-249 Reference (shelfmark): IOR/L/MIL/3/123-249 Title: Military and Marine Letters and Despatches from India Scope & Content: Contrary to the usual India Office practice, the series is titled 'Despatches' from 1887 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880-1935 Extent: 127 volumes
4. IOR/L/MIL/3/250-1114 Reference (shelfmark): IOR/L/MIL/3/250-1114 Title: Enclosures to Military and Marine Letters and Despatches from Bengal and India Collection Area: India Office Records and Private Papers Languages: English Date Range: 1835-1900 Extent: 865 volumes
5. IOR/L/MIL/3/1115-1125 Reference (shelfmark): IOR/L/MIL/3/1115-1125 Title: Secret Military Despatches from India Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906-1935 Extent: 11 volumes
6. IOR/L/MIL/3/1126-1198 Reference (shelfmark): IOR/L/MIL/3/1126-1198 Title: Military Letters from Madras (Board's Copies) Scope & Content: IOR/L/MIL/3/1126-1146 & 1182-1198 contain indexes. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1803-1859 Extent: 73 volumes
7. IOR/L/MIL/3/1199-1229 Reference (shelfmark): IOR/L/MIL/3/1199-1229 Title: Military and Marine Letters from Madras Scope & Content: Marine Letters are included from 1867 (before which date see IOR L/MAR. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1859-1879 Extent: 31 volumes
8. IOR/L/MIL/3/1230-1242 Reference (shelfmark): IOR/L/MIL/3/1230-1242 Title: Military and Marine Letters from Madras Scope & Content: IOR/L/MIL/3/1223-1240 contain indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880-1895 Extent: 13 volumes
9. IOR/L/MIL/3/1243-1716 Reference (shelfmark): IOR/L/MIL/3/1243-1716 Title: Enclosures to Military and Marine Letters from Madras Collection Area: India Office Records and Private Papers Languages: English Date Range: 1835-1895 Extent: 474 volumes
10. IOR/L/MIL/3/1717-1758 Reference (shelfmark): IOR/L/MIL/3/1717-1758 Title: Military Letters from Bombay (Board's Copies) Scope & Content: IOR/L/MIL//3/1717-1724 & 1749-1758 contain indexes. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1803-1858 Extent: 42 volumes