^"Swimming: New Record". The Guardian. 22 July 1971. p. 21. ProQuest185496966. Diane Walker, aged 15, of Aberdeen, set a Scottish record of 5 min 33.2 sec. when finishing third in the 400 meters individual medley.
^Donn, Bob (1973). "Swim Dreams Do Come True". New of the World 1974 Football and Sports Annual. p. 92. "But let us return to David Wilkie. He is the mainspring of the Scottish team along with Diane Walker and her Aberdeen teammate Gillian Fordyce." Retrieved 27 June 2022.