11. IOR/L/MIL/7/579 Reference (shelfmark): IOR/L/MIL/7/579 Title: Collection 4/11 Appointment of two surveyors and two clerks for six months. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1889 Extent: 1 file
12. IOR/L/MIL/7/580 Reference (shelfmark): IOR/L/MIL/7/580 Title: Collection 4/11A Report by Captain Hastings R.N. and proposed dock at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885 Extent: 1 file
13. IOR/L/MIL/7/581 Reference (shelfmark): IOR/L/MIL/7/581 Title: Collection 4/11B Garrison for Steamer Point, Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887 Extent: 1 file
14. IOR/L/MIL/7/582 Reference (shelfmark): IOR/L/MIL/7/582 Title: Collection 4/12 Revised estimates for works and armaments at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1886 Extent: 1 file
15. IOR/L/MIL/7/583 Reference (shelfmark): IOR/L/MIL/7/583 Title: Collection 4/13 War Office claims in regard to expenditure on defences at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1886-1888 Extent: 1 file
16. IOR/L/MIL/7/584 Reference (shelfmark): IOR/L/MIL/7/584 Title: Collection 4/14 Annual inspection reports of the Aden defences. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1886-1891 Extent: 1 file
17. IOR/L/MIL/7/585 Reference (shelfmark): IOR/L/MIL/7/585 Title: Collection 4/14A Proposed removal of Aden arsenal from the isthmus position to Steamer Point. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1890 Extent: 1 file
18. IOR/L/MIL/7/586 Reference (shelfmark): IOR/L/MIL/7/586 Title: Collection 4/15 Emplacements for heavy guns at forts Morbut and Tarshayne. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1888 Extent: 1 file
19. IOR/L/MIL/7/587 Reference (shelfmark): IOR/L/MIL/7/587 Title: Collection 4/16 Increased estimates for forts Morbut and Tarshayne, and delay in designs. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1888 Extent: 1 file
20. IOR/L/MIL/7/588 Reference (shelfmark): IOR/L/MIL/7/588 Title: Collection 4/17 Isthmus, crater and Seera Island defence works, and minor works at Steamer Point. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1889 Extent: 1 file