Columbia subject headings:
Boys--Juvenile literature.
California--Gold discoveries--Juvenile literature.
Conduct of life--Juvenile literature.
Fiction.
Frontier and pioneer life--California--Juvenile literature.
Gold mines and mining--California--Juvenile literature.
Voyages to the Pacific coast--Juvenile literature.
Harvard subject headings:
Boys--Juvenile literature.
California--Gold discoveries--Juvenile literature.
Conduct of life--Juvenile literature.
Frontier and pioneer life--California--Juvenile literature
Gold mines and mining--California--Juvenile literature.
Voyages to the Pacific coast--Juvenile literature.
Princeton subject headings:
Boys--Juvenile literature.
California--Gold discoveries--Juvenile literature.
Conduct of life--Juvenile literature.
Fiction.
Frontier and pioneer life--California--Juvenile literature.
Gold mines and mining--California--Juvenile literature.
Voyages to the Pacific coast--Juvenile literature.