流派
Electronic books
2,940
Congresses
69
Biography
55
Case studies
44
Conference papers and proceedings
26
Handbooks, manuals, etc
19
Biographies
11
Interviews
11
Statistics
9
Sources
8
Dictionaries
7
Problems, exercises, etc
7
Early works to 1800
5
Correspondence
4
Cross-cultural studies
4
Juvenile literature
4
Personal narratives
3
Autobiographies
2
Catalogs
2
Comic books, strips, etc
2
Handbooks and manuals
2
Miscellanea
2
Personal correspondence
2
Pictorial works
2
Problems and exercises
2
Textbooks
2
Academic theses
1
Anecdotes
1
Archives
1
Case Reports
1
Cases
1
Comics (Graphic works)
1
Conference papers and proccedings,
1
Diaries
1
Electronic books,
1
Examinations, questions, etc
1
Fiction
1
Forecasts
1
Genealogy
1
Introductions
1
Life skills guides
1
Methodology
1
Popular works
1
Surveys
1
Terminology
1