Columbia subject headings:
Adventure stories.
Christmas stories.
Death--Juvenile fiction.
Magnetic fields--Juvenile fiction.
North Pole--Juvenile fiction.
Physicians--Juvenile fiction.
Ship captains--Juvenile fiction.
Voyages and travels--Juvenile fiction.
Harvard subject headings:
Adventure stories
Christmas stories
Death--Juvenile fiction
Magnetic fields--Juvenile fiction.
North Pole--Juvenile fiction.
Physicians--Juvenile fiction.
Ship captains--Juvenile fiction.
Voyages and travels--Juvenile fiction
Princeton subject headings: