Copy letter from Archibald Geikie, Pres RS [President of the Royal Society] to Henry M Mayhew, British Museum Mr Sidney Coluim mentioned Meyhew's name to Geikie in connection with a desire of the Royal Society to have some expert assistance and advice regarding a collection of old stock of the Society's Library. The Royal Society would like to have the collection catalogued, if Mayhew would be willing to undertake this work it would be convenient to happen between July 1909 and September 1909. . Geikie invites Mayhew to come to the Royal Society to look at the collection. 27 July 1909