タックス
↑ http://www.isc.tamu.edu/~lewing/linux/
↑ https://web.archive.org/web/20060405215800/http://old.linux.org.au/org/penguin.phtml
↑ GLYN MOODY 小山祐司監訳『ソースコードの反逆』株式会社アスキー、2002年6月11日、137頁。
↑ http://www.gis.net/~cht/gospel.html
↑ Linus' git commit from Rusty Russell. Git.kernel.org. Retrieved on 2013-07-04.
↑ The kernel gets a new logo. LWN.net (2009-03-17). Retrieved on 2013-07-04.
↑ One Bush who has designs on LCA2009. Itwire.com (2008-12-30). Retrieved on 2013-07-04.
↑ file Documentation/logo.txt from Linux kernel source code. Git.kernel.org. Retrieved on 2013-07-04.