Copy letter from Robert William Frederick Harrison, to Professor Augustus Heller, Bibliothekar, Ungarische Akademie, Budapest 'Referring to your letter of May 25th, I send you herewith a copy of the circular letter containing suggestions for the International Conference which it is proposed to hold in London in July next. It is expected that the conference will last three days. I am, Dear Sir, Yours faithfully Robt. Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 28 May 1896