Comprises: offprints of articles by R.A. Peters, 1920-1958; notes or abstracts for published articles on sugars, diabetes, liver diastase, lactic acid, 1913-1951, and offprints sent to Peters; biographical information including lists of publications, curriculum vitae and lists of reprints, 1912-55; papers relating mostly to MRC Toxicology Committee, 1951-7, and several other MRC committees; correspondence relating to fluoridation, 1956-7; general correspondence on a variety of subjects including bromoacetic acid, and offprints sent to Peters, c. 1949-70; assorted handwritten notes, shorthand notes, typescript drafts of articles or chapters, 1950-6; report of visit of Sir Rudolph Peters to the United States and Canada, summer 1957.