|Alternative reference number
|Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Arthur Ling Esquire; the University of Birmingham
|23 September 1921
|Informs Mr. Arthur Ling that the paper communicated by Sir [Thomas] Edward Thorpe is now with the printers and a proof will be sent to him in due course. Also notes that he is returning the specimens of yeast which accompanied the paper under separate cover.