Photographs of Canadian Embassies and High Commissions, Ambassadors and High Commissioners, Canadian delegates to various international conferences and bodies such as the United Nations, and photographs used by the Department in publications and exhibitions.. Photographs of the Canadian embassies in Warsaw and Copenhagen; presentations of credentials by Canadian ambassadors, including Budapest, Poland (1978), Peru (1965); Warsaw, Poland (1975); Ulan Bator, Mongolia (1977); United Nations (1981). Governor General Edward Schreyer, Prime Minister Pierre Elliot Trudeau, and Allan J. MacEachen at United Nations, 1982. Canadian participation at United Nations sessions, 1981. Minister of Agriculture Eugene Whelan at Food Council meeting, 1983. Prime Minister St. Laurent at Sulphur Springs, U.S., 1956. Opening of the Pearson Building, Ottawa, 1973 by Queen Elizabeth. Canadian delegation at the United Nations Organization meeting, Paris, 1948.., Individual files on particular ambassadors, officials of the Department of External Affairs, or particular events.. Files include: Jake Warren, ambassador to the United States; Pierre Elliot Trudeau in Washington; Peter Towe, ambassador to the United States; Norman Robertson; Vincent Massey, Paul Martin, Lionel Chevrier, Sir George Perley, Lord Strathcona, and Peter Larkin as High Commissioners to Great Britain; the Royal Commonwealth Society; Canadian Embassy in Tokyo; Jules Leger; Agnes McCloskey; Canada House (London); Dana Wilgress; George Drew; Marcel Cadieux; United States President Truman's visit to Ottawa, 1948; Norman Bethune; George Ignatieff; Howard Measures; Paul Tremblay; Flushing Meadows, N.Y..