双生児
Subtitle: 500-kumi no seichō kiroku kara
By: Tōkyō Daigaku Kyōiku Gakubu Fuzoku Chū Kōtō Gakkō hen
Publisher: Nihon Hōsō Shuppan Kyōkai
Published: 1978
Place of publication: Tōkyō
Language: eng
Number of pages: 254
Subjects: Twins; Psychology; Parenting; Parent and child
Other titles: Sōseiji
Notes: Includes bibliographical references (page 251).

Gift of Prof. Osamu Kigoshi, part of Kigoshi collection, 2019.