Johan C. Løken

[2017-12-18]. （原始内容存档于2017-12-22）.  Johan C. Løken er død （页面存档备份，存于互联网档案馆） （挪威文） E' morto Altero Matteoli, l'ex ministro deceduto in un incidente stradale

（原始内容存档于2024-05-02）.  Johan Frederik Holleman. catalogue.bnf.fr. Bibliothèque nationale de France. [21 August 2023]. （原始内容存档于2023-08-20） （法语）.  Ken Johnson. Juan

Sina; Fetzer, Ingo; Cornell, Sarah; Rockström, Johan; Staal, Arie; Lenton, Timothy. Exceeding 1.5°C global warming could trigger multiple climate tipping

Sina; Fetzer, Ingo; Cornell, Sarah; Rockström, Johan; Staal, Arie; Lenton, Timothy. Exceeding 1.5°C global warming could trigger multiple climate tipping

（原始内容存档于13 September 2008）.  Thorkildsen, Joakim; Nordseth, Pål. Nils Johan Ringdal er død. Dagbladet. 12 September 2008 [17 October 2018]. （原始内容存档于6 October