Copy letter from Robert William Frederick Harrison to Professor [Ernest William] Hobson FRS, The Gables, Mount Pleasant, Cambridge 'Dear Prof Hobson, Paper by Mr James Mercer on "Sturn-lionville series of normal functions in the theory of integral equations". Sir Joseph Larmor has asked me to send you the enclosed copy of a Referee's Report on the above paper, communicated by Prof Forsyth, with a view to your sending it on to the author for the purpose of condensing and re-visiting his paper, which, it is now estimated, will run into 120 pages if printed in 4to form.' 26 May 1910