二重人間スポック!
早川書房1973年02月28日 発売ISBN: 4150100500Amazon Additional data from <a href="https://ameqlist.com/sfb/blish.htm#hbsf50">ameqlist.com</a>.
In the series 宇宙大作戦 (Uchū dai sakusen--Space Operations): Star Trek.
Ameqlist notes an essay by 斎藤伯好 (Hakukō Saitō, the translator) but does not give a title.
