31 United Press International. Prime Minister William McMahon accompanied by his wife, Sonia McMahon, wearing her controversial split to the thigh dress, is escorted by President Richard Nixon into a White House reception, Washington D.C., United States, November 1971 [picture] / United Press International Photo 1971 1 photograph : Title devised by cataloguer based on acquisitions documentation, see file NLA06/1496. Inscriptions: Photographers stamp on verso. Condition: Creased, scratched, cracking emulsion and emulsion missing from the lower right corner. Digital master available; National Library of Australia, Pictures collection;