Dōsei pātonā seikatsu dokuhon : dōkyo, zeikin, hoken kara kaigo, shibetsu, sōzoku made - Nagayasu, Shibun, 1966- (Tōkyō : Ryokufū Shuppan, 2009)
Includes bibliographical references.
Keywords: Gay couples -- Legal status, laws, etc. -- Japan; Lesbian couples -- Legal status, laws, etc. -- Japan; Gays -- Social life and customs -- Japan; Dōseiai.; Kekkon