Kazutoshi Sakurai (English Wikipedia)

"ウカスカジー Discography". Toys Factory (in Japanese). Archived from the original on June 14, 2021. Retrieved August 24, 2023.
"ウカスカジー Discography Albums". Toys Factory (in Japanese). Archived from the original on August 24, 2023. Retrieved August 24, 2023.
"ウカスカジー Discography DVD / Blu-ray". Toys Factory (in Japanese). Archived from the original on August 24, 2023. Retrieved August 24, 2023.

web-japan.org (Global: 6,940^th place; English: 7,451^st place)

"The eco-friendly bank". Retrieved October 6, 2007.

web.archive.org (Global: 1^st place; English: 1^st place)

"TIME Magazine: Moguls & Entrepreneurs – Kazutoshi Sakurai and Takeshi Kobayashi". Time. October 17, 2007. Archived from the original on October 21, 2007. Retrieved January 8, 2008.
"ミスチル桜井が漏らした重病のホンネ (Serious illness of Mr.Children's Sakurai leaked)" (in Japanese). Archived from the original on February 8, 2012. Retrieved June 16, 2007.
"Japan for Sustainability(JFS) - Newsletter". Archived from the original on December 4, 2008. Retrieved July 14, 2011.
"Artists Power website". Archived from the original on September 20, 2008. Retrieved November 6, 2008.</ref
"ウカスカジー". The Television (in Japanese). Archived from the original on August 24, 2023. Retrieved August 24, 2023.
"Golden Circle Vol.10 live report" (in Japanese). Archived from the original on October 5, 2007. Retrieved October 6, 2007.
"ap bank fes. '07 (Message from Kazutoshi Sakurai)" (in Japanese). Archived from the original on July 17, 2007. Retrieved July 27, 2007.
"Vice President Hideaki Takizawa "To Smile in Japan" Limited Unit Formed". japan.topnews.cloud. May 13, 2020. Archived from the original on May 12, 2020. Retrieved May 12, 2020.
"Ｔｗｅｎｔｙ★Ｔｗｅｎｔｙ世界にｓｍｉｌｅ届ける". nikkansports (in Japanese). May 13, 2020. Archived from the original on May 12, 2020. Retrieved May 12, 2020.
"ジャニーズ総勢76名がTwenty★Twentyを結成、櫻井和寿と楽曲制作". natalie.mu (in Japanese). May 13, 2020. Archived from the original on May 12, 2020. Retrieved May 12, 2020.
"Johnny's Smile Up！Project ~ 期間限定ユニット「Twenty★Twenty」(トゥエンティー・トゥエンティー)結成チャリティーソング「smile」(作詞・作曲：櫻井和寿)制作開始のお知らせ". johnny-associates.co.jp (in Japanese). May 13, 2020. Archived from the original on May 12, 2020. Retrieved May 12, 2020.
"Te Wo Dasuna!". HMV (in Japanese). Archived from the original on June 17, 2014. Retrieved August 24, 2023.
"ウカスカジー Discography". Toys Factory (in Japanese). Archived from the original on June 14, 2021. Retrieved August 24, 2023.
"ウカスカジー Discography Albums". Toys Factory (in Japanese). Archived from the original on August 24, 2023. Retrieved August 24, 2023.
"ウカスカジー Discography DVD / Blu-ray". Toys Factory (in Japanese). Archived from the original on August 24, 2023. Retrieved August 24, 2023.

zakzak.co.jp (Global: 1,090^th place; English: low place)

"ミスチル桜井が漏らした重病のホンネ (Serious illness of Mr.Children's Sakurai leaked)" (in Japanese). Archived from the original on February 8, 2012. Retrieved June 16, 2007.

Kazutoshi Sakurai (English Wikipedia)

apbank-ecoreso.jp (Global: low place; English: low place)

artistspower.com (Global: low place; English: low place)

dreampower-jp.com (Global: low place; English: low place)

faith-group.co.jp (Global: low place; English: low place)

hmv.co.jp (Global: 3,261st place; English: 8,406th place)

japanfs.org (Global: low place; English: low place)

johnny-associates.co.jp (Global: low place; English: low place)

natalie.mu (Global: 44th place; English: 375th place)

nikkansports.com (Global: 81st place; English: 2,024th place)

oricon.co.jp (Global: 58th place; English: 344th place)

career.oricon.co.jp

oricon.co.jp

thetv.jp (Global: 492nd place; English: low place)

time.com (Global: 61st place; English: 54th place)

topnews.cloud (Global: low place; English: low place)

japan.topnews.cloud

toysfactory.co.jp (Global: low place; English: low place)

web-japan.org (Global: 6,940th place; English: 7,451st place)

web.archive.org (Global: 1st place; English: 1st place)

zakzak.co.jp (Global: 1,090th place; English: low place)

hmv.co.jp (Global: 3,261^st place; English: 8,406^th place)

natalie.mu (Global: 44^th place; English: 375^th place)

nikkansports.com (Global: 81^st place; English: 2,024^th place)

oricon.co.jp (Global: 58^th place; English: 344^th place)

thetv.jp (Global: 492^nd place; English: low place)

time.com (Global: 61^st place; English: 54^th place)

web-japan.org (Global: 6,940^th place; English: 7,451^st place)

web.archive.org (Global: 1^st place; English: 1^st place)

zakzak.co.jp (Global: 1,090^th place; English: low place)