| Author (year) | Title | References to telegraph information. |
| Australian Heritage Places Inventory | Adelaide General Post Office.
|
Good general guide. http://www.heritage.gov.au/cgi-bin/ahpi/record.pl?RNE6331. Last updated 26 June 2012. |
| Cosgrave, Carol | The Goolwa Post Office. | http://www.sahistorians.org.au/175/documents/goolwa-post-office-a-history.shtml |
| Linn, R. | A Heritage History of the South-East of South Australia. | Professional Historians Association (South Australia), Link. |
| H. C. Talbot The Mail, midnight edition, 19 March 1927. |
Adelaide's Postal History: from Torrens Bank to Victoria Square: Story of the Chimes, 7, | Excellent review of the histoy of the SA postal system with special information on the Chimes in the GPO. http://trove.nla.gov.au/ndp/del/article/58546384 |
| Walker, M. (2004) | The Post, Telegraph and Telephone Offices of South Australia and the Northern Territory. South Australia: ISBN 0 9757019 1 6. |
Lists all Post and Telegraph Offices in South Australia and in the Northern Territory with dates of their evolution. An essential reference book for South Australia. |