Genre
Handbooks, manuals, etc
Sources
4
Textbooks
4
Bibliography
3
Genealogy
3
Handbooks
3
Handbooks and manuals
3
Instructional and educational works
3
Early works to 1800
2
Outlines, syllabi, etc
2
Pictorial works
2
Study guides
2
Biography
1
Case studies
1
Catalogs and collections
1
Devotional literature
1
Dictionaries
1
Digests
1
Directories
1
Guidebooks
1
Handbooks, manuals etc
1
Juvenile literature
1
Life skills guides
1
Observers' manuals
1
Periodicals
1
Popular works
1
Problems and exercises
1
Registers
1
Self-help publications
1
Teaching pieces (Music)
1
Terminology
1
Tours
1