11. IOR/L/MIL/7/13476 Reference (shelfmark): IOR/L/MIL/7/13476 Title: Collection 303/11 Provision of signal personnel for India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921-1923 Extent: 1 file
12. IOR/L/MIL/7/13477 Reference (shelfmark): IOR/L/MIL/7/13477 Title: Collection 303/12 Part 1 Reorganisation of Indian Signal Service. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921-1938 Extent: 1 file
13. IOR/L/MIL/7/13478 Reference (shelfmark): IOR/L/MIL/7/13478 Title: Collection 303/12 Part 2 Reorganisation of Indian Signal Service. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925-1936 Extent: 1 file
14. IOR/L/MIL/7/13479 Reference (shelfmark): IOR/L/MIL/7/13479 Title: Collection 303/12 Part 3 Reorganisation of Indian Signal Service. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1933 Extent: 1 file
15. IOR/L/MIL/7/13480 Reference (shelfmark): IOR/L/MIL/7/13480 Title: Collection 303/13 Proposal that chief signalling officer should also hold rank of colonel on the staff. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927 Extent: 1 file
16. IOR/L/MIL/7/13481 Reference (shelfmark): IOR/L/MIL/7/13481 Title: Collection 303/14 Appointment of quartermasters for service with signal units in India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926-1934 Extent: 1 file
17. IOR/L/MIL/7/13482 Reference (shelfmark): IOR/L/MIL/7/13482 Title: Collection 303/15 Ranks of officers commanding units of Royal Corps of Signals and changes in establishment of British personnel serving with Indian Signal Corps. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930-1941 Extent: 1 file
18. IOR/L/MIL/7/13483 Reference (shelfmark): IOR/L/MIL/7/13483 Title: Collection 303/16 Indian Army Signal Service. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1931 Extent: 1 file
19. IOR/L/MIL/7/13484 Reference (shelfmark): IOR/L/MIL/7/13484 Title: Collection 303/17 Formation of a boys' technical training company at the signal training centre, Jubbulpore. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1944 Extent: 1 file
20. IOR/L/MIL/7/13485 Reference (shelfmark): IOR/L/MIL/7/13485 Title: Collection 303/18 Abolition of "T" company, Indian Signal Corps. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932-1934 Extent: 1 file