"橋下徹大阪市長「高級クラブホステスと不倫してました。聖人君子ではない」" [Toru Hashimoto, Mayor of Osaka - "I had an affair with a high-class club hostess."]. J-CASTテレビウォッチ (in Japanese). 2012-07-19. Retrieved 2019-04-11.
"大阪府・梅田はかつて"埋田"で東京都・池袋には池が!? 地形と地名トリビア" [Osaka Prefecture, Umeda was once a "buried field", and there are ponds in Tokyo and Ikebukuro? Terrain and place name trivia.] (in Japanese). Retrieved 15 April 2019.
"橋下徹氏 大阪の旧遊郭街・飛田新地組合の顧問弁護士だった" [Tosu Hashimoto was a lawyer for the Tobitashinchi hospitality union in Osaka]. NEWSポストセブン (in Japanese). Retrieved 2019-04-11.
"御堂筋の歴史" [History of Midosuji] (in Japanese). Retrieved 15 April 2019.
"選挙区別名簿" [Electoral District List] (in Japanese). Retrieved 15 April 2019.
"選挙区別名簿（北区）" [Electoral District List (Kita Ward)] (in Japanese). Retrieved 15 April 2019.
"特定都市再生緊急整備地域の整備計画" [Specific City Emergency Maintenance Plan] (PDF) (in Japanese). Archived from the original(PDF) on 18 May 2021. Retrieved 11 April 2019.
"ラッシュ時混雑の阪神梅田駅、広々ホームに改良 １・５倍に拡幅工事スタート" [Hanshin Umeda Station crowded during rush hour, upgraded to 1.5 times size, widening construction commenced] (in Japanese). Archived from the original on 15 April 2019. Retrieved 15 April 2019.
"ラッシュ時混雑の阪神梅田駅、広々ホームに改良 １・５倍に拡幅工事スタート" [Hanshin Umeda Station crowded during rush hour, upgraded to 1.5 times size, widening construction commenced] (in Japanese). Archived from the original on 15 April 2019. Retrieved 15 April 2019.
"特定都市再生緊急整備地域の整備計画" [Specific City Emergency Maintenance Plan] (PDF) (in Japanese). Archived from the original(PDF) on 18 May 2021. Retrieved 11 April 2019.
