Copy of a letter from R J Walsh, School of Human Genetics, University of New South Wales to R W J Keay, Royal Society Suggests definitively that Cotes and Durnin should travel from Sydney to New Guinea on 17 May and attend Goroka Show on 18-19 May in order to see some Highlanders then visit Karkar Island, return to Madang and Port Moreby on 24 May - the Medical Society of New Guinea would like visitors to address them on evening of 24th - then return to Sydney on 25th where they could attend Royal Australasian College of Physicians meeting. 10 April 1968