found: Ruskin, J. Modern painters, 1988, c1987:CIP t.p. (David Barrie) data sh. (b. 11/9/53)
found: Sextant, 2014:t.p. (David Barrie) inside back cover (has sailed all his life; lives in London)
found: Supernavigators, 2019:title page (David Barrie) back cover flap (a Fellow of the Royal Institute of Navigation, after serving in the British Diplomatic Service, Barrie worked in the arts and and as a law-reform campaigner; his book Sextant received the Royal Institute of Navigation's Certificate of Achievement)