1. MS Mus. 1813/2/1/45/7 Reference (shelfmark): MS Mus. 1813/2/1/45/7 Title: Performing Right Society, 1956 Scope & Content: Correspondence of 1956 to or from the Performing Right Society Ltd. This file was originally entitled 'PRS 1956' and was loose, rather than held in a labelled packet. Collection Area: Music Collections Languages: English Date Range: 1956 Extent: 1 sub-file