Copy letter from Robert William Frederick Harrison to Dr H [Henry] F [Frederick] Baker FRS 'The Obituary of J J Sylvester, about which you enquire, was published in Proceedings [of the Royal Society], Vol 1898 (p. 1x of the Obituary Notices), not Year-book. Thus it will doubtless be easily accessible to you/ If not, we can send you the volume of Proceedings on loan.' 14 July 1911