Copy letter from Herbert Rix, to Messrs E J Brill, Editeurs, Leiden 'Gentlemen, Have you for sale the Annales du Jardin botanique de Buitenzorg - Vol I. parts 1,2 Vol II. part 1 Vol III. part 2 Vol V. part 2 Vol VI. part 1 If you have these, or can obtain them for us please let us know the total cost. I am, faithfully yours, Herbert Rix Asst Secy R.S. [Assistant Secretary, Royal Society]'. 18 January 1889