Columbia subject headings:
Blake, William, 1757-1827--Influence.
Blake, William, 1757-1827--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Sources.
Harvard subject headings:
Blake, William, 1757-1827--Influence--Yeats.
Blake, William, 1757-1827--Influence.
Blake, William, 1757-1827--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Literature.
Yeats, W. B. (William Butler), 1865-1939--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Sources.
Princeton subject headings:
Blake, William, 1757-1827--Influence--Yeats.
Blake, William, 1757-1827--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Philosophy.
Yeats, W. B. (William Butler), 1865-1939--Sources.