Summary record of the forty-third meeting, held at Rio de Janeiro on Thursday, 9 April 1953 at 4 pm.

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Provisional Summary Record of the Fifty-Second Meeting Held at Rio de Janeiro, on Saturday 25 April 1953, at 4.30 p.m.

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Provisional Summary Record of the Fifty-First Meeting Held at Rio de Janeiro, on Saturday 25 April 1953, at 11.30 a.m.

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