21. 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
22. IOR/L/MIL/7/590 Reference (shelfmark): IOR/L/MIL/7/590 Title: Collection 4/19 Report of Joint India and War Office Committee into the cost of the Defence Works at Aden. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1888 Extent: 1 file
23. IOR/L/MIL/7/591 Reference (shelfmark): IOR/L/MIL/7/591 Title: Collection 4/20 Scheme for defence of Aden with existing ordnance and garrison. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888-1890 Extent: 1 file
24. IOR/L/MIL/7/592 Reference (shelfmark): IOR/L/MIL/7/592 Title: Collection 4/21 High rates of work on forts Morbut and Tarshayne and increased estimates. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888 Extent: 1 file
25. IOR/L/MIL/7/593 Reference (shelfmark): IOR/L/MIL/7/593 Title: Collection 4/22 Emplacements for heavy guns at forts Morbut and Tarshayne. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888-1890 Extent: 1 file
26. IOR/L/MIL/7/594 Reference (shelfmark): IOR/L/MIL/7/594 Title: Collection 4/23 Treasury's refusal of proposals by joint India and War Office committee on increased costs of Aden defences. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888-1889 Extent: 1 file
27. IOR/L/MIL/7/595 Reference (shelfmark): IOR/L/MIL/7/595 Title: Collection 4/24 Estimates for minor defences at Steamer Point. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1890 Extent: 1 file
28. IOR/L/MIL/7/596 Reference (shelfmark): IOR/L/MIL/7/596 Title: Collection 4/25 Forts Morbut and Tarshayne: provision of store and lamp rooms. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1890 Extent: 1 file
29. IOR/L/MIL/7/597 Reference (shelfmark): IOR/L/MIL/7/597 Title: Collection 4/26 Treasury agreement to proposals by joint India and War Office committee on increased cost of Aden defences. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1890 Extent: 1 file
30. IOR/L/MIL/7/598 Reference (shelfmark): IOR/L/MIL/7/598 Title: Collection 4/27 Proposed alterations, additional bomb proofs, etc., at forts Morbut and Tarshayne. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1890-1891 Extent: 1 file