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1 - Principia mathematica. Volume 1 - Second edition
Whitehead, Alfred North (1861-1947)   /   Russell, Bertrand (1872-1970)

Cote : [05 WHI 1925-1]

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2 - Principia mathematica. Volume 2 - Second edition
Whitehead, Alfred North (1861-1947)   /   Russell, Bertrand (1872-1970)

Cote : [05 WHI 1927-2]