Prof., botanik (paleobotanik).

On the structure of Vertebraria / by John Walton and Jessie A. R. Wilson. - Edinburgh, 1932. // Proceedings of the Royal Society of Edinburgh Vol. 52 Pt. 2 (1932).

OLIS online

Jstor Plant Science, 4.11.2014 (Walton, John 1895-1971) http://plants.jstor.org/person/bm000049723

LCA online