http://www.pref.ishikawa.jp/bunkazai/e-siseki/e-1-2.htm
http://www.pref.nagano.jp/english/history/genshi/genshi.htm
http://www.pref.yamaguchi.jp/e4maizou.htm
On
Jomon Pottery of Sutama : a very fascinating
theory about Jomon pottery
http://www.comlink.ne.jp/~stm/English/shussan-eng.html
On
Sannai-maruyama Site: a recent significant
finding of a Jomon site
http://www.pref.aomori.jp/sannai/index-e.html
( I'll come up with more when I come across other interesting sites.)