Reference Books
Holmes, H. R., The Postage Stamps, Postal Stationery, and Postmarks of the Bechuanalands, published by the Royal Philatelic Society London, 1971.
Jurgens, A. A., The Bechuanalands: A Brief History Of The Countries And Their Postal Services 1836-1895
Proud, T., The Postal History of Basutoland and Bechuanaland Protectorate
Thy and Inglefield-Watson, The Postal Stationery of the Bechuanalands and Botswana
Trotter RDP FRPSL, Brian, Southern African Mails, Routes, Rates and Regulations 1806–1916
Auction Catalogues
The Col. Danson Collection, Robson Lowe, 16th June 1971
H. R. Holmes Collection, The Bechuanalands, Harmers of London Sale 4327, October 29, 1981
Robson Lowe, 15th June 1983.
The Barkaway Collection, Harmers, 24th June 1986
The Haskins Collection, Christie’s Robson Lowe, 12th June 1991
The Campbell Collection, Christie’s Robson Lowe, 13th December 1994
The George Collection, Harmers, 31st October 1995
The Weiss Collection, Christie’s Robson Lowe, 19th November 1996
The Ted Proud Collection, Postal History Auctions, 19th March 1999
The Cattarall Collection, Grosvenor, 23rd May 2001
The “County” Collection, Argyll Etkin, 24th September 2003
The Rossi collection of Great Britain Overprints, Warwick & Warwick, 8th June 2005 (prices realised)
The John Inglefield-Watson Collections of Bechauanaland, Somaliland & Sudan, Spink, 3rd October 2007 (link to auction listing)
Spink July 2013 (link to auction listing)
Societies & their Journals
The Bechuanalands and Botswana Society
– Journal: The Runner Post
– Website: http://www.bechuanalandphilately.com/
The Great Britain Overprint Society
– Journal: The Overprinter
– Website: http://www.gbos.org.uk/
The 1887 Jubilee Issue 