Ferrini, Rebecca
Health in the later years
McGraw-Hill, 2013
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Passmore, John
A hundred years of philosophy
Gerald Duckworth, 1957
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Passmore, John
A Hundred years of philosophy
Penguin Books, 1972
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Looking back : 30 years later
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Thomas, Hugh
The Cuban revolution: 25 years later
Colorado Westview Press, 1984
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