原始時代
Subtitle: Nihon minzoku no seiritsu
By: Hasebe Kotondo cho
Series: Shin Nihon shi kōza -- 1
Publisher: Chūō Kōronsha
Published: 1949
Place of publication: Tōkyō
Language: jpn
Number of pages: 75
Subjects: History
Other titles: Genshi jidai
Notes: Not in trade.