Lot 40

Jones, T.S (Introduction)

Postal History Maps of the Orange Free State and Orange River Colony 1850-1910

Lot 47

Jonkers, Gerrit.H. Dr. & Quik, W.J

De restanten en herdrukken van Transvaal/The Remainders and Reprints of Transvaal. 1910-1912

Lot 310

Maj.Ian B Mathews, K A Baker, B.J.Bowden, David Crocker,Dr Gerrit H Jonkers et al

Transvaal Philately

The Stamps, Forgeries, Postal History and Miscellanea of the Transvaal Territories from inception to Union