Visualitzant Vázquez, Juan Adolfo per matèria "Logic"

Carta de 1948-12-10 a Josep Ferrater Mora des de Tucumán (Argentina)

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Carta de 1949-01-15 a Josep Ferrater Mora des de Tucumán (Argentina)

Carta closed access ​

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Carta de 1949-12-11 a Josep Ferrater Mora des de Santa Catalina (Argentina)

Carta closed access ​

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