Title: al- Dawrah al-thaqāfīyah al-thālithah, mashrūḥ muwaḥḥad lil-tashrīʻāt al-ʻummālīyah fī al-waṭan al-ʻArabī, al-Qāhirah 13-20/7/1963 
First published: 1963
Subjects: Petroleum workers
LC classification: HD6475.P4 I8