31. IOR/R/20/E/15, Item 1 Reference (shelfmark): IOR/R/20/E/15, Item 1 Title: File 57 Survey of the Bay of Tajurah by Lt Barker of the Indian Navy Collection Area: India Office Records and Private Papers Languages: English Date Range: [Jan 1841-Apr 1841] Extent: 1 part volume
32. IOR/R/20/E/15, Item 2 Reference (shelfmark): IOR/R/20/E/15, Item 2 Title: File 287 Massawa: particulars of the recent visit of Lt Christopher, commanding the Honorable Company's schooner Constance Collection Area: India Office Records and Private Papers Languages: English Date Range: [Oct 184]1-Nov 1841 Extent: 1 part volume
33. IOR/R/20/E/16, Item 1 Reference (shelfmark): IOR/R/20/E/16, Item 1 Title: File 358 Chiefs in the interior of Aden: stipends to Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1841-Nov 1842 Extent: 1 part volume
34. IOR/R/20/E/16, Item 2 Reference (shelfmark): IOR/R/20/E/16, Item 2 Title: File 282 Hostile attempts of the Lahej chiefs against the British garrison at Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1841-Dec 1841 Extent: 1 part volume
35. IOR/R/20/E/17 Reference (shelfmark): IOR/R/20/E/17 Title: File 241 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1841-Dec 1841 Extent: 1 volume
36. IOR/R/20/E/18 Reference (shelfmark): IOR/R/20/E/18 Title: File 56 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1842-Apr 1842 Extent: 1 volume
37. IOR/R/20/E/19 Reference (shelfmark): IOR/R/20/E/19 Title: Lt Christopher's proceedings, etc Collection Area: India Office Records and Private Papers Languages: English Date Range: 1842-1843 Extent: 1 volume
38. IOR/R/20/E/19, Item 1 Reference (shelfmark): IOR/R/20/E/19, Item 1 Title: File 375 Lt Christopher's report of his proceedings on various subjects during his visit to Massawa and Cosseir on the Abyssinian Coast Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1842-Jun 1842 Extent: 1 part volume
39. IOR/R/20/E/19, Item 2 Reference (shelfmark): IOR/R/20/E/19, Item 2 Title: File 196 Lt Christopher's proceedings at Massawa, Tajurah and Mocha Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1842-Dec 1842 Extent: 1 part volume
40. IOR/R/20/E/19, Item 3 Reference (shelfmark): IOR/R/20/E/19, Item 3 Title: File 28 Lt Christopher's proceedings at Tajurah, Zaila and Berbera Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1843-Aug 1843 Extent: 1 part volume