Foreign investments in Australia; U.S. investment in Australia; President Johnson and Vice President Humphrey's 1966 visit to Australia; Australian anti-Vietnam War demonstrators; planning LBJ's trip to Australia; planning a Prime Minister's visit to the U.S.; Prime Minister Harold Holt; Australia's awareness of U.S.-Vietnam involvement; Australian forces leaving Vietnam; U.S. and Australia's work on Indonesian policy; Southern Rhodesia; the effect of changes in the U.S. on Australia; Ambassador Edward Clark; meeting with LBJ.