1990. május 1.
Subtitle: tények és értékek a 100. május 1-jén
By: [összeállította és szerkesztette, Harsányi Iván és Jemnitz János].
Contributors: Harsányi, Iván.; Jemnitz, János.
Publisher: Akaprint Nyomdaipari Kft.
Published: 1991
Place of publication: [Budapest?]
Language: hun
Number of pages: 87
Subjects: May Day (Labor holiday)
Notes: Includes bibliographical references.