Columbia subject headings:
Harvard subject headings:
Boys--Conduct of life--Juvenile fiction.
Camping--Juvenile fiction.
Camping.
Conduct of life--Juvenile fiction.
Friendship--Juvenile fiction.
Natural history.
Outdoor life--Juvenile fiction.
Sports
Sports stories.
Woodwork--Juvenile fiction.
Woodwork.
Princeton subject headings:
Camping.
Woodwork.