Copy letter from Robert William Frederick Harrison, to Dr J A Voelcker, Royal Agricultural Society of England, 22 Tudor Street, E.C. 'Dear Sir, I beg to acknowledge your letter of December 5th enclosing the memorandum which you have been good enough to draw up for the information of the Indian Government Advisory Committee. I am, faithfully yours, Robt [Robert] Harrison Assistant Secretary R.S. [Royal Society]'. 6 December 1907