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1 - Formal logic (1847)
De Morgan, Augustus (1806-1871)   /   Taylor, Angus Ellis (1911-1999) (Ed.)

Cote : [02 MOR 1926]

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2 - The Boole-De Morgan correspondence, 1842-1864
Smith, Gordon C. (Ed.)   /   Boole, George (1815-1864)   /   De Morgan, Augustus (1806-1871)

Cote : [05 SMI 82]