[1] 21世紀の歩き方大研究 (2018-05-19 23:01:30 +09:00) <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 (2018-03-15 22:10:55 +09:00) <http://www.ne.jp/asahi/21st/web/>