https://www.robertmenziesinstitute.org.au/entity/sir-harry-lawson-premier-and-senator/
Sir Harry Lawson : Premier and Senator | Robert Menzies Institute
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https://www.politicsbooks.com.au/index.php?app=ccp0&ns=catshow&ref=sir-robert-menzies-prime-minister&sid=ce188719f3xfa4j208611317xaz7i5w8&portrelay=1
Sir Robert Menzies
Biography - Sir Robert Menzies was Prime Minister of Australia from 26 April 1939 - 26 August 1941 and 19 December 1949 - 26 January 1966
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