|Alternative reference number
|Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to the Secretary, National Health Insurance Commission, London, EC
|19 August 1915
|'I return the insurance card for Miss Mackie, period Jan 12 - July 6, 1914, received here as a duplicate. As already noted we claim to have duly returned the original card, stamped but now repeat the payment as concession.'