Columbia subject headings:
Aeronautics--History.
Balloonists--France--Biography.
Montgolfier, Jacques-Etienne, 1745-1799.
Montgolfier, Joseph-Michel, 1740-1810.
Harvard subject headings:
Aeronautics--History
Balloonists--France--Biography.
Montgolfier, Jacques-Etienne, 1745-1799.
Montgolfier, Joseph-Michel, 1740-1810.
Princeton subject headings:
Aeronautics--History.
Balloonists--France--Biography.
Montgolfier, Jacques-Etienne, 1745-1799.
Montgolfier, Joseph-Michel, 1740-1810.