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Harry Rountree (1878 – 26 September 1950) was a prolific illustrator working in England around the turn of the 19/20th centuries. He came from New Zealand in 1901 to London, when he was 23 years old.
Harry Rountree was determined to make his mark on the then-flourishing magazine and book market. For two years he struggled, studied and sold the occasional drawing. However, when the editor of Little Folks magazine gave him a commission to illustrate a story with an animal, he found his feet and suddenly he became quite successful. By 1903 he was illustrating books for the editor of Little Folks, writing and illustrating his own books, and in demand by nearly every publisher in London. He was one of the subjects in Percy V. Bradshaws' "The Art of the Illustrator" 20 part series, published in 1918, where six stages of the creation of an illustration were published along with notes and biography.
Rountree is also noted for his illustrations of British Golf Courses & golfing caricatures.
Rountree produced well-liked cartoons for the magazine Punch from 1905 to 1939, and also created advertising, posters and book illustrations for writers such as P. G. Wodehouse and Arthur Conan Doyle. 
- "Deaths". The Times (London, England). 27 September 1950. p. 1.
ROUNTREE.—On Sept. 26, 1950, at the West Cornwall Hospital, Harry Rountree, Artist, of St. Ives and Saltings, Lelant, Cornwall, beloved husband of Stella and father of Gilbert and Lynda.
- "Mr. Harry Rountree". The Times (London, England). 27 September 1950. p. 6.
- Bernard Richard Meirion Darwin, Harry Rountree (illus). The Golf Courses of the British Isles, published by London: Duckworth, 1910, via Internet Archive
- Works by Harry Rountree at Project Gutenberg
- Works by or about Harry Rountree at Internet Archive
- Harry Rountree at Library of Congress Authorities, with 7 catalogue records (3 "from old catalog")