[1] 21世紀の歩き方大研究 (5/19/2018, 2:01:30 PM) <https://web.archive.org/web/20041204030134/http://www.ne.jp:80/asahi/21st/web/>

[2] 21世紀の歩き方大研究 (3/15/2018, 1:10:55 PM) <http://www.ne.jp/asahi/21st/web/>