Kung yün tsʻan kʻao tz*u laio
By: Wu-han shih chih kung tsung hui chʻou wei hui pan kung shih pien.
Publisher: s.n.]
Published: 1949
Place of publication: [Wu-han
Language: chi
Subjects: Labor and laboring classes -- China
Notes: Microfilm. Washington, D.C. : Center for Chinese Research Materials, Association of Research Libraries, 1969-    . --    reels.