| contributor, Encyclopædia Britannica, Ninth Edition…
“ If there is no Wikipedia article, leave it blank or remove it. | wikipedia2 = Parameter for a second, relevant wikipedia article. | other_projects = Links to Wikimedia projects, for example Wiktionary, Commons, etc. It can also be used for Wikisource links and when more than two Wikipedia links are desired. Please format it to include the name of the project referred to (if not Wikisource) : [ [Project Name:Article Name|Article Name] ] at [ [Project Name:Main_Page|Project Name] ] . External links are also a possibility, but should be used with discretion. ”
