Correspondence to or from the Performing Right Society Limited. This file was originally entitled 'PRS 1957' and held in a packet marked 'General 1957, M-P, Dr. Roth'. One duplicate copy of 'Performing Right' (no. 29, September 1957), unannotated except for the name 'Dr. Roth', was disposed of...
Correspondence to or from Universal Edition. This file was originally entitled 'UE' 1957' and held in a packet marked 'Dr. Roth. General – 'R – X, Y, Z excluding S' 1957'.
Correspondence to or from Schott & Co. Ltd. This file was originally entitled 'Schotts 1957' and held in a packet marked 'Dr. Roth. General – 'S' 1957'.