Copy letter from Robert William Frederick Harrison to Dr Charles Chree FRS, Old Deer Park, Richmond, Surrey 'Dear Dr Chree, I now send you the Notes of Pavlovsk Observatory which I hope you will find correct. I am returning also you Ms [manuscript] oj Val Joyeux which we have not typewritten, and I should be glad to have a copy of the paper you have sent out to your committee, so that I may have a complete record of the work of the Gasiot Committee.' 24 May 1910