ISBN 4-10-370701-1. OCLC 20260847. "「旧華族」の女性たち…民間人との結婚・離婚が大ニュースに". Daily Shincho. 12 September 2020. "松岡治子". 系譜で辿る日本史. "Ichiro Sato, Served as Admiral in...

平成新修旧華族家系大成 上巻 (Complete Compilation of the Genealogies of Former Peers: New Heisei Edition – Volume 1), Kasumi Kaikan, 1996. Hata, Ikuhiko, ed. "日本官僚制総合事典:...