Columbia subject headings:
Shakespeare, William, 1564-1616--Bibliography.
Shakespeare, William, 1564-1616--Biography--Sources.
Harvard subject headings:
Shakespeare, William, 1564-1616--Bibliography.
Shakespeare, William, 1564-1616--Biography--Sources.
Shakespeare, William, 1564-1616--Sources.
Princeton subject headings:
Shakespeare, William, 1564-1616--Bibliography.
Shakespeare, William, 1564-1616--Sources.