. . "Sonoko Kumagai"@en . "ソノコ" . "Sonoko"@en . . "熊谷苑子" . "Kumagai"@en . "1942" . "Kumagai-Matsuda" . "苑子" . "苑子 熊谷"@ja-JP . "熊谷" . "Sonoko Kumagai" . "Sonoko Kumagai-Matsuda" . "クマガイ" . "ソノコ クマガイ" . . . . "熊谷苑子" . . "熊谷苑子" . .