歐內斯特·倫納德·詹森

外部連結

• [https://web.archive.org/web/20120204194743/http://assa.saao.ac.za/html/mnassa_biographical_index.html Biographical Index to MNASSA and JASSA] Prepared by I S Glass in 2003 (archived on 4 February 2012)
• [https://web.archive.org/web/20041108023044/http://www.saao.ac.za/assa/2003MNSSA..62..170C.pdf A history of comet discovery from South Africa], T P Cooper, August 2003