This site by Ann Gugler offers searching of the Australian Capital Territory (Canberra) electoral rolls for 1916, 1917, 1928, 1929 and 1935. Ann’s other site Hidden Canberra Electoral Rolls also has the rolls 1928, 1929, 1935 plus rolls for 1943, 1949, 1955, 1959 and 1967. Rolls also cover Jervis Bay.