^Stephanie E. Butler, Alexis C. Kelly Fodor's Japan 2009 - 1400008271 Page 156 . as Sadao Watanabe in the 19605 and contemporary favorites Keiko Lee and Hiromi Uehara—gaining global attention."
^بكين ريفيو Volume 40 1997 - Page 432 "Keiko Lee from Japan, who enjoys the fame of No. 1 Woman Jazz Singer in the country;"
^Bill Kirchner The Oxford Companion to Jazz 2005 Page 574 ". many gifted young artists in Japan now, such as alto saxophonist Jo Yamada, pianist Yutaka Shiina, vocalist Keiko Lee, and violinist Naoko Terai, ."
اليابان 
