|Alternative reference number
|Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Miss Petherbridge; 25 Queen Anne's Gate, S.W.
|23 July 1920
|Informs Miss Petherbridge that a Conference of Delegates of the International Catalogue of Scientific Literature is being held at the Society on September 28th. Asks what her terms would be for verbatim reports of the meeting.