Columbia subject headings:
Shakespeare, William, 1564-1616--Knowledge and learning.
Shakespeare, William, 1564-1616. Macbeth.
Harvard subject headings:
Shakespeare, William, 1564-1616--Knowledge and learning
Shakespeare, William, 1564-1616. Macbeth.
Princeton subject headings:
Shakespeare, William, 1564-1616--Knowledge and learning.
Shakespeare, William, 1564-1616. Macbeth.