11. IOR/L/MIL/7/607 Reference (shelfmark): IOR/L/MIL/7/607 Title: Collection 4/35 Lightning conductors for forts Morbut and Tarshayne. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1894 Extent: 1 file
12. IOR/L/MIL/7/633 Reference (shelfmark): IOR/L/MIL/7/633 Title: Collection 4/61 Proposed closure of ordnance depot at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925-1927 Extent: 1 file
13. IOR/L/MIL/7/572 Reference (shelfmark): IOR/L/MIL/7/572 Title: Collection 4/4 Fort Tarshayne, Aden: plans and proposals. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1884 Extent: 1 file
14. IOR/L/MIL/7/574 Reference (shelfmark): IOR/L/MIL/7/574 Title: Collection 4/6 Fort Morbut, Aden: plans and proposals. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1884-1885 Extent: 1 file
15. IOR/L/MIL/7/614 Reference (shelfmark): IOR/L/MIL/7/614 Title: Collection 4/41 Provision of motor lorries for Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915-1916 Extent: 1 file
16. IOR/L/MIL/7/617 Reference (shelfmark): IOR/L/MIL/7/617 Title: Collection 4/44 Health of the troops at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916-1923 Extent: 1 file
17. IOR/L/MIL/7/639 Reference (shelfmark): IOR/L/MIL/7/639 Title: Collection 4/68 Proposed oil storage depot at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922-1927 Extent: 1 file
18. IOR/L/MIL/7/589 Reference (shelfmark): IOR/L/MIL/7/589 Title: Collection 4/18 Increased estimates: Treasury objections to size of its contribution. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1888 Extent: 1 file
19. IOR/L/MIL/7/604 Reference (shelfmark): IOR/L/MIL/7/604 Title: Collection 4/32 Telephone communications between the several defences: Imperial financial liability. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1896 Extent: 1 file
20. IOR/L/MIL/7/640 Reference (shelfmark): IOR/L/MIL/7/640 Title: Collection 4/69 Proposed alterations to telephonic and telegraphic communications at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926-1927 Extent: 1 file