Sō Gen ekisei kiji
Subtitle: Eiraku taiten shoin "Kingyoku shinsho" oyobi "Keisei taiten" itsubun
By: Takikawa Masajirō kaidai kōtei
Contributors: Manshū Jijō Annaijo
Series: Kakuhan kenkyū hōkoku -- dai 7-gō
Publisher: Manshū Jijō Annaijo
Published: 1941
Place of publication: Shinkyō-shi
Language: jpn
Number of pages: 68
Subjects: Postal service; History
Other titles: Jin yu xin shu.; Jing shi da dian.
Notes: Cover title.