[1] 島の歴史 ( (2011-10-13 06:41:46 +09:00 版)) http://www.vill.minamidaito.okinawa.jp/history.html

[2] ( (2009-12-23 10:40:09 +09:00 版)) http://vill.kitadaito.okinawa.jp/docs/kdaito_history.pdf

[3] 会社統治領(無人島開拓編) (yoshida著, 2006-10-12 17:06:39 +09:00) http://www.geocities.co.jp/SilkRoad-Lake/2917/zatsu/company2#06