51. IOR/L/MIL/7/13674 Reference (shelfmark): IOR/L/MIL/7/13674 Title: Collection 309/47 Replacement of obsolete guns by post-war guns and howitzers. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: 1 file
52. IOR/L/MIL/7/13675 Reference (shelfmark): IOR/L/MIL/7/13675 Title: Collection 309/48 Possible use of ship armour for purposes of land fortifications. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920 Extent: 1 file
53. IOR/L/MIL/7/13676 Reference (shelfmark): IOR/L/MIL/7/13676 Title: Collection 309/49 Proposed purchase from Admiralty of certain surplus naval guns for coastal defences in India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1921 Extent: 1 file
54. IOR/L/MIL/7/13677 Reference (shelfmark): IOR/L/MIL/7/13677 Title: Collection 309/50 Procedure for dealing with coast defence matters at Army Headquarters, India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1938-1939 Extent: 1 file