Katsumi, Watanabe (1967). "Untitled". The Metropolitan Museum of Art. Archived from the original on 3 August 2020. Retrieved 22 November 2019.
msn.com
sankei.jp.msn.com
「演歌の殿堂」新宿コマ、今年限りで閉館 (1/2ページ) ["Enka's Hall of Fame" Shinjuku Koma, closed only for this year]. MSN産経ニュース (in Japanese). Archived from the original on 2008-05-31. Retrieved May 28, 2008.
"Katsumi Watanabe 'Shinjuku'" (Press release). Taka Ishii Gallery. September 2015. Archived from the original on 28 September 2020. Retrieved 22 November 2019.
Katsumi, Watanabe (1967). "Untitled". The Metropolitan Museum of Art. Archived from the original on 3 August 2020. Retrieved 22 November 2019.
"Katsumi Watanabe 'Shinjuku'" (Press release). Taka Ishii Gallery. September 2015. Archived from the original on 28 September 2020. Retrieved 22 November 2019.
"Kabukicho comes clean". Tokyo Reporter. May 2, 2008. Archived from the original on 27 July 2019. Retrieved 19 November 2019.
「演歌の殿堂」新宿コマ、今年限りで閉館 (1/2ページ) ["Enka's Hall of Fame" Shinjuku Koma, closed only for this year]. MSN産経ニュース (in Japanese). Archived from the original on 2008-05-31. Retrieved May 28, 2008.