Transvaal Philately : The stamps, forgeries, postal history and miscellanea of the Transvaal territories from inception to Union Mathews, Maj. IAN B. 656.835B1981
Transvaal , The Provisional Issues of the First British Occupation Drysdall, Alan. 656.835B1994
Christie's Robson Lowe; Transvaal , The Major Harold Criddle Collection; 25 February 1992. 3391992
De restanten en herdrukken van Transvaal ; The remainders and reprints of Transvaal 1910-1912 656.835B1998
The Transvaal Handbook, First Republic Genuine and Forged Meisel, Nick. 656.835D1985
Billig's Philatelic Handbook, vol. 36, The Encyclopaedia of British Empire Postage Stamps 1806 - 1948, Vol. 2 Part I the Empire in Africa. 656.835A0000
The Encylopaedia of South African Post Offices and Postal Agencies, vol. 1 (A-E) : (Including their forerunners in the Cape, Natal, Orange Free State and Transvaal , Basutoland, Bechuanaland and Swaziland, etc.) Putzel, Ralph F. 656.835B1986
The Encylopaedia of South African Post Offices and Postal Agencies, vol. 2 (F-M) : (Including their forerunners in the Cape, Natal, Orange Free State and Transvaal , Basutoland, Bechuanaland and Swaziland, etc.) Putzel, Ralph F. 656.835B1987
The Encylopaedia of South African Post Offices and Postal Agencies, vol. 3 (N-T) : (Including their forerunners in the Cape, Natal, Orange Free State and Transvaal , Basutoland, Bechuanaland and Swaziland, etc.) Putzel, Ralph F. 656.835B1989
The Encylopaedia of South African Post Offices and Postal Agencies, vol. 4 (U-Z) : (Including their forerunners in the Cape, Natal, Orange Free State and Transvaal , Basutoland, Bechuanaland and Swaziland, etc.) Putzel, Ralph F. 656.835B1990