| Subject | English | Arabic |
| environ. | documentation centre Centre for assembling, coding, and disseminating recorded knowledge comprehensively treated as an integral procedure, utilizing various techniques for giving documentary information maximum accessibility and usability | مركز توثيق |
| org.name. | Inter-American Research and Documentation Centre on Vocational Training | مركز البحث والتوثيق فى ميدان التدريب المهنى فى البلدان الأمريكية |
| work.fl. | national documentation centre | المركز الوطني للوثائق |
| work.fl. | national documentation centre | مركز التوثيق الوطني |