Columbia subject headings:
Harvard subject headings:
Aeronautics--Flights
Aeronautics--Flights--Juvenile literature.
Collyer, Charles Bascom Drury, 1896-1928.
Collyer, Charles Bascom Drury, 1898-1928--Juvenile literature.
Collyer, Charles Bascom Drury, 1898-1928.
Voyages around the world
Voyages around the world--Juvenile literature
Princeton subject headings:
Aeronautics--Flights.
Collyer, Charles Bascom Drury, 1896-1928.
Voyages around the world.