生産量 (in Japanese). All Japan Curry Manufacturers Association. 2013. Retrieved 14 February 2015.
生産量の推移 [Transition of Production] (in Japanese). All Japan Curry Manufacturers Association. Retrieved 7 March 2011.
daa.jp
kutsunazemi.daa.jp
コンサルティングレポート 江崎グリコ株式会社 [Proposal for Ezaki Glico] (PDF) (in Japanese). Kutsuna Seminar at Faculty of Business Administration in Kobe University. Archived from the original(PDF) on 22 July 2011. Retrieved 7 March 2011.
dancyu.jp
102年の歴史を持つカツカレー丼 (in Japanese). Predident. 27 January 2020. Archived from the original on 1 October 2023. Retrieved 20 February 2024.
dims.ne.jp
『カレーライス』に関するアンケート (in Japanese). ネットリサーチ ディムスドライブ. Archived from the original on 23 October 2021. Retrieved 1 February 2016.
Colburn Goto, Gina (21 November 2014). "Curry is king". Japan Today. Tokyo. Retrieved 13 February 2019.
keio-marke.com
ハウス食品 [Hause Foods] (PDF) (in Japanese). Keio University Marketing Research Study Group. Archived from the original(PDF) on 12 April 2017. Retrieved 7 March 2011.
ハウス食品 [Hause Foods] (PDF) (in Japanese). Keio University Marketing Research Study Group. Archived from the original(PDF) on 12 April 2017. Retrieved 7 March 2011.
コンサルティングレポート 江崎グリコ株式会社 [Proposal for Ezaki Glico] (PDF) (in Japanese). Kutsuna Seminar at Faculty of Business Administration in Kobe University. Archived from the original(PDF) on 22 July 2011. Retrieved 7 March 2011.