海上町史
Subtitle: Sōshū hen
By: [henshūsha Unakami Chōshi Hensan Iinkai]
Publisher: Unakami Machiyakuba
Published: 1990
Place of publication: Chiba-ken Kaijō-gun Unakami-machi
Language: jpn
Number of pages: 1174
Subjects: History; Sources
Other titles: Unakami chōshi
Notes: Includes index.