Editors. "Transvaal allies with Orange Free State". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=19184, accessed 18 December 2013.]
The two Boer-run republics in South Africa, the Transvaal and the Orange Free State, conclude an offensive and defensive alliance against their mutual threat from the British Empire.