五一國際勞動節簡史
By: Zhong Guoqiang bian
Edition: Chu ban.
Publisher: Xianggang chao yang chu ban she
Published: 1970
Place of publication: Xianggang
Language: chi
Number of pages: 22
Subjects: May Day (Labor holiday)
Other titles: Wu yi guo ji lao dong jie jian shi
Notes: Includes a song in munber notation.