This black-and-white photograph shows European migrants disembarking from a ship in Sydney.

This is a colour photograph of koalas at the Taronga Park Zoo in Sydney.

This is a photograph of Australia’s first Governor-General, Lord Hopetoun, taking his oath of office at the inauguration of the Commonwealth on 1 January 1901.

This black-and-white photograph shows the ceremony held at 'The Kiosk' in Centennial Park, Sydney during Inauguration Day celebrations.

This black-and-white photograph shows a man’s felt hat lying upright on the parched, cracked earth of the empty Burrinjuck Dam.

This photo shows two Royal Australian Air Force planes flying above the clouds during a cloud-seeding operation over the Pacific Ocean.

Cherry blossom festival in Young, New South Wales

This is a schematic cross-section diagram of the Snowy Mountains hydro-electric scheme.

A photograph of the first blast at Adaminaby, New South Wales, which marked the official beginning of construction of the Snowy Mountains Scheme in Australia.