|Alternative reference number
|Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs Harrison & Sons
|19 February 1919
|Informs Messrs Harrison & Sons that permission has been granted to the Editor of 'Milling' to reproduce the illustratins of Memorandum No. 4 of the Grain Pests War Committee and that he will likely approach them for the cliches of these.