Columbia subject headings:
Anesthesia--History.
Ether.
Jackson, Charles T. (Charles Thomas), 1805-1880.
Morse, Samuel Finley Breese, 1791-1872.
Morton, W. T. G. (William Thomas Green), 1819-1868.
Harvard subject headings:
Anesthetics
Anesthetics--History
Ether--History.
Ether.
Morton, W. T. G. (William Thomas Green), 1819-1868.
Princeton subject headings: