21. IOR/R/20/A/4088 Reference (shelfmark): IOR/R/20/A/4088 Title: File 50/2 World War I: War: miscellaneous Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1915-Dec 1916 Extent: 1 file
22. IOR/R/20/A/4089 Reference (shelfmark): IOR/R/20/A/4089 Title: File 50/3 World War I: War: miscellaneous Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1917-Jul 1918 Extent: 1 file
23. IOR/R/20/A/4090 Reference (shelfmark): IOR/R/20/A/4090 Title: File 51/3 World War I: Wahidi Affairs (Aden Protectorate) Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1907-May 1927 Extent: 1 file
24. IOR/R/20/A/4091 Reference (shelfmark): IOR/R/20/A/4091 Title: File 52/1 World War I: Idrisi Affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929-1930 Extent: 1 file
25. IOR/R/20/A/4092 Reference (shelfmark): IOR/R/20/A/4092 Title: File 52/2 World War I: Idrisi: arms and ammunition Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1918-Feb 1921 Extent: 1 file
26. IOR/R/20/A/4093 Reference (shelfmark): IOR/R/20/A/4093 Title: File 53/1 World War I: Agreement with the Sheikh of Mawia Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1914-Dec 1920 Extent: 1 file
27. IOR/R/20/A/4094 Reference (shelfmark): IOR/R/20/A/4094 Title: File 53/2 World War I: Orders etc., regarding hostile trading firms Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914-1923 Extent: 1 file
28. IOR/R/20/A/4095 Reference (shelfmark): IOR/R/20/A/4095 Title: File 56/1 World War I: Arms and ammunition: Residency stock Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1914-Aug 1920 Extent: 1 file
29. IOR/R/20/A/4096 Reference (shelfmark): IOR/R/20/A/4096 Title: File 56/2 World War I: Arms and ammunition: supply of to the Abdali Sultan Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1914-May 1924 Extent: 1 file
30. IOR/R/20/A/4097 Reference (shelfmark): IOR/R/20/A/4097 Title: File 56/2/II World War I: Abdali Sultanate: arms and ammunition and camel equipment Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1923-Jun 1924 Extent: 1 file