51. IOR/L/MIL/17/12/51 Reference (shelfmark): IOR/L/MIL/17/12/51 Title: Military report on the Subansiri river area 1920. Calcutta: GSI, 1921. Scope & Content: Map; Confidential Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921 Extent: [ii], 30p, 17cm
52. IOR/L/MIL/17/12/52 Reference (shelfmark): IOR/L/MIL/17/12/52 Title: Military report on the United Provinces District. Delhi: GSI, 1923. Scope & Content: Maps; For official use only, with Railway appendix, Simla, 1924, 74p Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923 Extent: iv, 201p, 18cm
53. IOR/L/MIL/17/12/53 Reference (shelfmark): IOR/L/MIL/17/12/53 Title: Indian route book Vol 7 - Routes in United Provinces Districts. Simla: GSI, 1922. Scope & Content: Map; For official use only Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922 Extent: [ii], 739p, 18cm