//-->
Verkehrsbericht 1970
(1970)
The Australian Post Office: ten years of progress, 1.7.1947-30.6.1957 : report by the Director-General, Posts and Telegraphs, Giles Chippindall ; Commonwealth of Australia
Chippindall, Giles, (1958)
Progress, policy, plans : August, 1959
Davidson, C. W., (1959)