Columbia subject headings:
Harvard subject headings:
Animals--Juvenile fiction.
Children's stories, Czech--20th century.
Conduct of life--Juvenile fiction.
Death--Juvenile fiction.
Escapes--Juvenile fiction.
Ethics--Juvenile fiction.
Fiction
Foxes--Juvenile fiction.
Human-animal relationships--Juvenile fiction.
Mortality--Juvenile fiction.
Natural history.
Nature.
Princeton subject headings:
Fiction.