11. Mss Eur E341/11 Reference (shelfmark): Mss Eur E341/11 Title: Scope & Content: Index to typed letters with Tyson family tree. Dated as: no date Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: Unspecified
12. Mss Eur E341/12 Reference (shelfmark): Mss Eur E341/12 Title: Scope & Content: Letters written from Calcutta, Burdwan, Serampore and Darjeeling. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1922-Apr 1923 Extent: Unspecified
13. Mss Eur E341/13 Reference (shelfmark): Mss Eur E341/13 Title: Scope & Content: Letters written from Alipore and Calcutta. Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr-Sep 1923 Extent: Unspecified
14. Mss Eur E341/14 Reference (shelfmark): Mss Eur E341/14 Title: Scope & Content: Letters written from Faridpur, Dacca, Darjeeling and Calcutta. Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1924-Dec 1925 Extent: Unspecified
15. Mss Eur E341/15 Reference (shelfmark): Mss Eur E341/15 Title: Scope & Content: Letters written from Faridpur, Howrah, Calcutta and Darjeeling. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Dec 1926 Extent: Unspecified
16. Mss Eur E341/16 Reference (shelfmark): Mss Eur E341/16 Title: Scope & Content: Letters written from Calcutta, Simla, the SS Karoa (Bombay-Delagoa Bay) and Natal, including a tour of South Africa. Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1927-Jan 1928 Extent: Unspecified
17. Mss Eur E341/17 Reference (shelfmark): Mss Eur E341/17 Title: Scope & Content: Letters written from South Africa and including a trip to Bechuanaland and Southern Rhodesia. Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1928-Jul 1929 Extent: Unspecified
18. Mss Eur E341/18 Reference (shelfmark): Mss Eur E341/18 Title: Scope & Content: Letters written from South Africa, aboard the SS Orsova (Toulon-Madras-Calcutta) and from India. Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1929-Dec 1930 Extent: Unspecified
19. Mss Eur E341/19 Reference (shelfmark): Mss Eur E341/19 Title: Scope & Content: Letters written from Calcutta, New Delhi, Dacca, Kalimpong and Darjeeling. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Dec 1931 Extent: Unspecified
20. Mss Eur E341/20 Reference (shelfmark): Mss Eur E341/20 Title: Scope & Content: Letters written from Calcutta, Darjeeling Simla, Barrackpore, Chittagong and Dacca. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Dec 1932 Extent: Unspecified