＊ Wikipedia (ウイキペディア) : https://de.wikipedia.org/wiki/Rikuo_Ueda
＊ Fan-site (ファンサイト) : http://uedarikuo-fan.com/
＊ Slide show 1982 – 2023 58min 49sec (Vimeo) : https://vimeo.com/918188461?share=copy
＊ Mikiko Sato Gallery : www.mikikosatogallery.com
http://www.mikikosatogallery.com/de/kuenstler/rikuo_ueda/37/