"土偶" [Dogū]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-20.
"土偶" [Dogū]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-21.
"土偶" [Dogū]. Kokushi Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC683276033. Archived from the original on 2007-08-25. Retrieved 2012-07-21.
jst.go.jp
jstage.jst.go.jp
Nakajima, Toshio (1943). 石器時代土偶の乳房及び下腹部膨隆に就いて [On the breasts and swollen hips of stone age dōgu] (PDF). Jinruigaku Zasshi (in Japanese). 58 (7). Tōkyō: Tōkyō Jinrui Gakkai: 294–295. Retrieved July 21, 2012.
Public interest Ibaraki education foundation Foundation (2013). "上境旭台貝塚3". Comprehensive Database of Archaeological Site Reports in Japan. Retrieved 2016-09-01.
"土偶" [Dogū]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-20.
"土偶" [Dogū]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-21.
"土偶" [Dogū]. Kokushi Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC683276033. Archived from the original on 2007-08-25. Retrieved 2012-07-21.
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search.worldcat.org
"土偶" [Dogū]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-20.
"土偶" [Dogū]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-07-21.