Columbia subject headings:
Artists--England--Biography.
Authors, Irish--20th century--Biography.
Horton, W. T. (William Thomas), 1864-1919.
Occultism.
Yeats, W. B. (William Butler), 1865-1939--Friends and associates.
Yeats, W. B. (William Butler), 1865-1939--Knowledge and learning.
Harvard subject headings:
Artists--England--Biography.
Authors, Irish--20th century--Biography
Horton, W. T. (William Thomas), 1864-1919
Yeats, W. B. (William Butler), 1865-1939--Friends and associates.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Occult sciences.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Occultism.
Princeton subject headings:
Artists--England--Biography.
Authors, Irish--20th century--Biography.
Horton, W. T. (William Thomas), 1864-1919.
Yeats, W. B. (William Butler), 1865-1939--Friends and associates.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Occultism.