Photocopies of programme notes, mostly by Peter Pears, and sleeve notes from recordings featuring Peter Pears, possibly used as reference materials for ECR/1/3/3 and ECR/2/13/1, with chronological listing of 'Programme Book Articles & Notes by Peter' and 'Essays by PP', with a single entry from 1983.
Materials were originally filed together with ECR/1/3/3, and ECR/2/13/1-3