Howie-Willis, Ian, 1937- An epic journey : the 1930 expedition of Michael Leahy and Michael Dwyer across New Guinea via the Purari River / prepared by I.J. Willis. - 1969. - [145 leaves] : maps. Sub-thesis (M. A.)-- University of Papua and New Guinea. Subjects--Personal Names: Dwyer, Michael.Leahy, Michael J. Subjects--Geographic Terms: Papua New Guinea--Discovery and exploration.