This is the paper David Horner delivered at the the 2002 History conference. He explains how important the Kokoda campaign was for preventing the invasion of Australia.
Peter Stanley is a former Senior Historian at the Australian War Memorial. He has caused controversy by claiming that Japan had decided not to invade Australia in early 1942, therefore the Kokoda campaign was not a 'battle for Australia'.
This interesting article by Christopher Hamner looks at the historiography of the events at Hiroshima and Nagasaki, and how different tellings of history produce strong reactions.