Columbia subject headings:
Pomodoro, Arnaldo, 1926- Entering the labyrinth--Juvenile literature.
Harvard subject headings:
Games--Italy.
Labyrinths--Italy--Milan.
Pomodoro, Arnaldo, 1926- Entering the labyrinth--Juvenile literature.
Pomodoro, Arnaldo, 1926- Ingresso nel labirinto.
Princeton subject headings:
Pomodoro, Arnaldo, 1926-. Entering the labyrinth--Juvenile literature.