← People 筒井 功 つつい いさお Tsutsui Isao Dates: 1944– Research areas 地名3 Find more CiNii ⌕ ↗Google Scholar ⌕ ↗ Sources 2017 アイヌ語地名と日本列島人が来た道 Article Author2017 Ainugo chimei to Nihon rettōjin ga kita michi Book / monograph Author2020 アイヌ語地名の南限を探る Article Author