虞氏易事
Subtitle: 2 juan
By: Zhang Huiyan zhuan
Series: Xu xiu Si ku quan shu -- 26; Xu xiu Si ku quan shu. Jing bu. Yi lei; Xu xiu Si ku quan shu
Publisher: Shanghai gu ji chu ban she
Published: between 1995 and 1999
Place of publication: Shanghai
Language: chi
Other titles: Yu shi yi shi
Notes: Reprint.

Each page represents [2] double leaves of the original.