The Dictionary of Sydney was archived in 2021.
A Japanese, in military uniform, addressing his 'poor dog Tray'. This is the only dog left out of the 25 with which the expedition started, May 1911
Chicken cholera and the rabbits - experiments at Rodd Island. The apparatus and appliances, with portraits of the experimenters 1888
Cover of 'Observations of the transit of Venus, 9 December 1874: made at stations in New South Wales ... under the direction of H.C. Russell, Government Astronomer' 1892
Mary Allen at the Sydney Observatory using astrographic plates to calculate the relative distances between stars February 1941
Ruby Payne-Scott, Alec Little and Chris Christiansen at the Potts Hill Reservoir Division of Radiophysics field station c1948
The Rabbit Plague and Anthrax in Australia; M. Pasteur's experiments and remedies for its extermination November 1891