The British Library has a collection of maps covering World War 1 in Africa together with some history behind their creation.
Harry Fecitt has a number of articles covering aspects of the East Africa Campaign on The Heroes of the East Africa Campaign
The Wellcome Institute has a photo of the Lindi Lion – a memorial to the battle of Lindi, 17 September 1916 – sadly they have no other information online about this memorial. The SS Barjora on which the memorial was found was the troop carrier which brought West Indian troops to East Africa.
Some more photos can be found on the University of California website – the link should take you to Nyasaland 1914-1918.
For those interested in war time stamps, this looks a comprehensive page on the Nyasa-Rhodesian Field Force.
There is a small collection of personal war histories on the GWAA website. If you have any similar pieces you would like added, please get in touch. The aim is to show the variety of individual experience across the continent.