^Abe, Takeshi (1987). "Saji Kazunari". Sengoku jinmei jiten (in Japanese). Tokyo: Shinjinbutsu Ōraisha. p. 368. ISBN4404014120.
^Turnbull, Stephen R. (2000). The Samurai Tradition, Vol. 2, p. 149; excerpt, "Hideyoshi married Oeyo the younger sister of Yodo-Dono his chief concubine to Saji Kazunari, warden of a castle in a province under his control, but he took her back when her husband assisted Ieyasu, with whom he was then at war."