Glaucoma in optometric practice, 1990: t.p. (R. Fletcher)

Contact lens practice, 1994: t.p. (Robert Fletcher)

BL SRIS, 28 Aug. 2001(ref.: Fletcher, Robert, 1925-)

MCQs in optometry, 1996: CIP t.p. (R. Fletcher, MSc(Tech) DCLP Dorth FBCO, emeritus prof. of optometry & visual science, City Univ., London, UK)

Professor Robert 'Bob' Fletcher, viewed August 20, 2020 (Robert Jackson Fletcher was born on July 12, 1925 in Twickenham, Middlesex, died August 5, 2019, taught and researched optometry, writer of over 150 publications) https://www.opticianonline.net/news/professor-robert-bob-fletcher

Professor Robert Jackson Fletcher: 1925-2019, viewed August 20, 2020 (sculpted likenesses of his friends in the world of optics) https://www.college-optometrists.org/the-college/media-hub/news-listing/professor-robert-jackson-fletcher-1925-2019.html