Shinzoku, sōzoku jiko hyakka /

Tōkyō-to Minato-ku : Shadan Hōjin Kin'yū Zaisei Jijō Kenkyūkai, 1974

Kazokuhō kenkyū no shomondai /

by Nakagawa, Zennosuke, 1897-1975
Tōkyō : Keisō Shobō, 1969

Kurashi no tame no hōritsu.

Tōkyō-to : Daiichi Hōki Shuppan, 1973

Daishichijūroku gikai shin hōrei kaisetsu /

Tōkyō : Asahi Shinbunsha, 1941

Kazoku mondai to kazokuhō /

Tōkyō : Sakai Shoten, 1966