Teilhard de Chardin, Pierre, 1881-1955 -- Congresses. : Humanity's quest for unity : a United Nations Teilhard colloquium : proceedings of a colloquium held at United Nations headquarters in New York, in conjunction with the opening of the 38th meeting of the General Assembly : a colloquium in honour of Pierre Teilhard de Chardin / edited by Leo Zonneveld
1985
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Teilhard de Chardin, Pierre -- Congresses. : Humanity's quest for unity : a United Nations Teilhard colloquium : proceedings of a colloquium held at United Nations headquarters in New York, in conjunction with the opening of the 38th meeting of the General Assembly : a colloquium in honour of Pierre Teilhard de Chardin / edited by Leo Zonneveld