年号の歴史
Subtitle: gengō seido no shiteki kenkyū
By: Tokoro Isao cho
Edition: Zōhoban.
Series: Yūzankaku books -- 22
Publisher: Yūzankaku Shuppan
Published: 1989
Place of publication: Tōkyō
Language: jpn
Number of pages: 296
Subjects: History; Oriental Chronology; Terminology; Japanese Chronology
Other titles: Nengō no rekishi
Notes: Includes bibliographical references.