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耶拿
- ^ Jena - 吉納. 國家教育研究院. [2021-06-27]. (原始內容存檔於2021-11-09).
吉納
- ^ Census of Population and Housing. U.S. Census Bureau. [2011-11-18]. (原始內容存檔於2006-02-08).
- ^ Town of Jena, Louisiana. www.townofjena.com. [2020-12-15]. (原始內容存檔於2020-01-22).
James Forsythe from Jena, Illinois suggested 「Jena, his hometown, which was named for Jena, Germany. Mr. James Forsythe submitted this name to the post office department and it was accepted. Thus, the name Jena came from Germany by way of Illinois