Summary Record of the Sixty-Eighth Meeting held at La Paz on Monday, 27 May, 1957 at 4.10 p.m.

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Summary Record of the Sixty-Seventh Meeting Held at La Paz on Friday, 18 May, 1957 at 9.50 a.m

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Summary Record of the Sixty-Fifth Meeting Held at La Paz on Thursday, 17 May 1957, at 10 a.m.

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Summary Record of the Sixty-Fourth Meeting Held at La Paz on Thursday, l6.May, 1957 at 3.30 p.m.

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Summary Record of the Sicty-Third Meeting Held at La Paz on Thursday, 16 May 1957, at 10 a.m.

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Summary Record of the Fifthy-Ninth Meeting Held at Bogota on Thursday, 1 September, 1955 at 3.35 p.m.

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Provisional Summary Record of the Fifty-Eight Meeting Held at Bogota on Thursday, 1 September 19.55, at 10.25 a.m.

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Summary Recors of the Fifty-Seventh Meeting Held at Bogota on Wednesday, 31 August,1955 at 3.30 p.m.

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