- http://jp.sun.com/service/suncobalt/
- http://bluequartz.org/index-j.html
- http://www.mubit.co.jp/homepage/faq/cobaltfaq.html
- http://www.mubit.co.jp/homepage/tips.html
- http://pukiwiki.org/index.php?%E5%8B%95%E4%BD%9C%E5%AE%9F%E7%B8%BE#ccc52f2e
- http://cobaltqube.org/goods/cobaltfan-j.html
- http://docs.sun.com/app/docs/coll/808.1?l=ja
- http://www.is.auetech.aichi-edu.ac.jp/~tkamada/cobalt/
- http://fumika.jp/nikki/2004/02/cobaltssh
- http://www.netbsd.org/ja/Ports/cobalt/
- http://cn24h.hawkeye.ac/cobalt.html