Джон Гулд: Разлика между версии

* [http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=41178013 Джон Гулд във findagrave.com] {{ref-икона|en}}

* [http://australianmuseum.net.au/John-Gould/ Джон Гулд в Австралийския музей] {{ref-икона|en}}

* A. H. Chisholm, [http://www.adb.online.anu.edu.au/biogs/A010427b.htm Gould, John (1804–1881)], Australian Dictionary of Biography, Volume 1, Melbourne University Press, 1966, pp 465–467. {{ref-икона|en}}