| Description | Correspondence with John Parker, New Fabian Research Bureau, 1934; Henry John Sinclair, 2nd Baron Pentland, 1931-1938; Michael Perrin; J I Piggott, discussing imports and trade, 1934; R L Prain, PEP International Group, 1934; Dennis Rees; Dr J R Rees, 1944; Reid-Adam; Hans Renold; Dennis Robertson; John Rodgers, 1934; Olver Roskill (industrial consultant), 1933-1950; Dennis Routh, PEP Director, 1945-1950; M H Royston. |