Copy letter from Michael Foster and Arthur William Rucker, to Professor Dr F Leo, Konigl. Gesellschaft der Wissenschaften, Gottingen In response to the invitation contained in Leo's letter, the Secretaries of the Society, the Chairman of the International Catalogue Committee (Professor H E Armstrong) and Professor Arthur Schuster, have been apponted as delegates to attend the forthcoming meeting of the Cartel of the four academies. They hope to arrive at Gottingen on Monday 30 May. 12 May 1898