Copy letter from Herbert Rix, to Professor Pasquale Freda, Direttore della R Stazione Chimico, Aararia di Roma [Italy] 'Dear Sir, In answer to an application for exchange received some time since I have now the pleasure to inform you that the President & Council of the Royal Society have sanctioned the recommendation of the Library Committee that the 'Proceedings' ['Proceedings of the Royal Society'] be granted in exchange for your periodical. I am yours faithfully, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 31 July 1888