|Alternative reference number||NLB/44 p465|
|Title||Copy letter from Robert William Frederick Harrison to Sir Dyce Duckworth, Treasurer of the Royal College of Physicians|
|Date||6 November 1911|
|Description||'Croonian Trust. |
I shall be obliged if you will kindly sign the enclosed Certificate of Income Tax deducted, and return it to me. It is required for purposes of refund on Income Tax.'