Columbia subject headings:
Harvard subject headings:
English literature--Early modern, 1500-1700--History and criticism
Shakespeare, William, 1564-1616--Criticism and interpretation.
Shakespeare, William, 1564-1616--Friends and associates.
Sidney, Philip, 1554-1586--Influence.
Princeton subject headings:
Shakespeare, William, 1564-1616--Friends and associates.
Sidney, Philip, 1554-1586--Friends and associates.
Sidney, Philip, 1554-1586--Influence.