MS and TS letters from representatives of the Royal Society for the Protection of Birds and of the Nature Conservancy Council to Ron Berry Relate to the problem of robberies of peregrine nests in the Rhondda and to the protection of eyries during the breeding season. Also includes: an RSPB letter of approval for Ron Berry to examine peregrine nests in Glamorgan and Powys; press cuttings comprising letters to the Editor written by Berry and others; working notes and text of a brief survey of breeding peregrines in North Glamorgan (1981 - 1983) 1974-1986