Yaroslav Horak interviewed by Ros Bowden for the Comic artists and illustrators oral history project, October 31 1995
Octopussy, 2004 t.p. (Yaroslav Horak) passim (drawing by Horak)
Wikipedia website, viewed on 17 June 2019 (Yaroslav Horak (born 1927) is an ethnic Czech-Russian, then London-based, now Australian-based illustrator and comics artist, best known for his work on the newspaper comic strip James Bond ... born on 12 June 1927 in Harbin, China ... taking over from John McLusky, for the Daily Express strip James Bond from 1966 to 1977, then for the Sunday Express and the Daily Star from 1977 to 1979 and again from 1983 to 1984. In total Horak worked on 33 James Bond comic strips sequences) https://en.wikipedia.org/wiki/Yaroslav_Horak
Sydney Morning Herald obituaries website, viewed on 8 December 2020 Horak Yaroslav (12.6.1927- 24.11.2020 Late of Lindfield. Passed away peacefully onTuesday 24th November at Whitehall Aged Care, Lindfield NSW, aged 93 years) https://tributes.smh.com.au/obituaries/391748/yaroslav-horak