The Adelaide state by-election, 1971 was a by-election held on 3 July 1971 for the South Australian House of Assembly seat of Adelaide. This was triggered by the death of state Labor MHA Sam Lawn.
Results
The Communist Party, who contested the previous election on 4.9 percent of the vote, did not contest the by-election. Labor easily retained the seat.
References
Adelaide state by-election, 1971 Wikipedia(Text) CC BY-SA