Columbia subject headings:
Children's literature--Pictorial works.
Harvard subject headings:
Children's literature--Picture-books.
Courage--Juvenile fiction
Rescues--Juvenile fiction
Sailors--Juvenile fiction.
Sea stories
Seafaring life--Juvenile fiction.
Ship captains--Juvenile fiction.
Stowaways--Juvenile fiction.
Voyages and travels
Princeton subject headings:
Fiction.
Sailors--Juvenile fiction.
Sea stories--Juvenile fiction.