◆え E
◇Entoudoki towa? 円筒土器ってなあに? About cylinder earthenware.
◇Entoudoki-bunkaken towa? 円筒土器文化圏ってなあに? About the cylinder earthenware cultural sphere.
◇Entoudoki-bunkaken no han'i? 円筒土器文化圏は、どこからどこまでですか? The range of the cylinder earthenware cultural sphere?