Congo challenge /
O'Donovan, Patrick,1918-1981,author.
Calder, Ritchie,1906-1982,author.
Calder, Ritchie,1906-1982,former owner.StEdNL
United Nations Association.
Title from front cover.
"6D"-- Front cover.
The U.N. in the Congo / by Patrick O'Donovan -- Portrait of the Congo -- Chaos into order / by Ritchie Calder.
Forecasting.