Copy letter from Robert William Frederick Harrison, to Frederick Frost Blackman, Fellow of the Royal Society 'Dear Sir, Your cheque for £2. 2. (subscription to the Sir Michael Foster Portrait Fund) has been duly received here, but I am requested to remind you that, as stated on the first circular issued, subscriptions are limited to £1. 1. I therefore return your cheque and shall be glad to receive one for the smaller amount at your convenience. I am, faithfully yours, Robt [Robert] Harrison'. 6 January 1908