Visualitzant Aguilar, Francisco per matèria "Philosophy of science"

Carta de 1958-10-07 a Josep Ferrater Mora des de Rosario (Argentina)

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Carta de 1958-11-28 a Josep Ferrater Mora des de Rosario (Argentina)

Carta closed access ​

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Carta de 1959-05-02 a Josep Ferrater Mora des de Rosario (Argentina)

Carta closed access ​

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