"Doiphoto.html". Shift-JIS (in Japanese). 2007-03-12. Archived from the original on 2007-03-12. Retrieved 2024-02-24 – via accitano.com. Gallery description
shikoku-np.co.jp
"カメラのドイが破産／事業継続を断念" [Camera company Doi goes bankrupt/gives up on continuing business]. 四国新聞社. 2006-03-15. Retrieved 2024-02-24.
web.archive.org
"「カメラのドイ」が破産" (in Japanese). Nikkan Sports. 2006-03-15. Archived from the original on 2015-07-30.{{cite news}}: CS1 maint: unfit URL (link)
"Doiphoto.html". Shift-JIS (in Japanese). 2007-03-12. Archived from the original on 2007-03-12. Retrieved 2024-02-24 – via accitano.com. Gallery description
