نوع المادة
دوريات
6
Case studies
5
Handbooks, manuals, etc
5
Textbooks
4
Directories
3
Periodicals
3
Problems, exercises, etc
3
مصطلحات
3
معاجم
3
Congresses
2
Encyclopedias
2
Nurses' Instruction
2
Statistics
2
معجم مصطلحات
2
Activity programs
1
Classification
1
Crimes against --
1
Dictionaries
1
Examination Questions
1
Examinations, questions, etc
1
Handbooks
1
Higher Education
1
Juvenile literature
1
Outlines, syllabi, etc
1
Study guides
1
Tables
1
Universities and Colleges
1
Urban climatology
1
أدلة
1
تقارير
1
دوائر معارف
1
مؤتمرات
1