Correspondence concerning a paper, 'Deducing thickness changes of an ice sheet from radio-echo and other measurements' by John Nye Concerning a paper by Nye [and H H Wills] published in the Journal of Glaciology [in 1975]. Some anonymised comments from one of the paper's referees are present. The folder includes correspondence with Marcel de Quervain, director of the Swiss Federal Institute for Snow and Avalanche Research, concerning previous research at Jarl‐Joset Station, Greenland. Also present are some manuscript notes and calculations by Nye, and a lightly-annotated copy of a 1972 issue of the Antarctic Journal, summarising research activities. 1972-1974