סוגה
Periodicals
28
Electronic books
8
Sources
7
Bibliography
5
Catalogs
4
Biography
3
Correspondence
3
Early works to 1800
3
Textbooks
3
Microform catalogs
2
Archives
1
Examinations, questions, etc
1
Handbooks, manuals, etc
1
Outlines, syllabi, etc
1
Pamphlets
1
Périodiques
1
Statistics
1
Zeitschrift
1
Ṕeriodiques
1