Literature
The Postage Stamps of Zululand (W.E.P. Handbook No. 3.) by B. W. H. Poole, 1909
The Postmarks of Zululand by Tony Davis & Hugh Joseph, 1984
The Postal History of Swaziland and Zululand by Ted Proud, 1996
Bibliography of the Philately and Postal History of Natal and Zululand, Natal and Zululand Study Circle, 1999
Named and Specialised Sales (ordered chronologically)
The John Robson Collection of Zululand, Christie’s 7th May 1992
The Wilson Wong Collection of Zululand, Harmers London 25th September 1996
The “Eshowe” collection of Zululand, Spink (The Philatelic Collectors’ Series Sale), 24-26th April 2019
The 1887 Jubilee Issue 