Copy letter from [Alexander William] Williamson, Foreign Secretary of the Royal Society; to Prof. Le Paige - Liege University [Belgium] Informs of the decision of the Council to allow Prof. Le Paige to have copies of certain letters from [Renatus Franciscus] Slusius. States the date recorded on the diploma should answer the question of the date of his election as a Foreign Member of the Royal Society. 31 May 1883