Columbia subject headings:
American fiction--20th century.
Ayla (Fictitious character)--Fiction.
Europe--Fiction.
Glacial epoch--Fiction.
Historical fiction.
Novels.
Prehistoric peoples--Fiction.
Women--Europe--Fiction.
Harvard subject headings:
Ayla (Fictitious character)--Fiction.
Europe--Fiction.
Glacial epoch--Europe--Fiction.
Glacial epoch--Fiction
Historical fiction
Prehistoric peoples--Fiction
Women--Europe--Fiction.
Princeton subject headings:
Fiction.