Columbia subject headings:
Bunyan, John, 1628-1688--Literary style.
Bunyan, John, 1628-1688. Pilgrim's progress.
Christian pilgrims and pilgrimages in literature.
Harvard subject headings:
Bunyan, John, 1628-1688. Pilgrim's progress
Princeton subject headings:
Bunyan, John, 1628-1688. Pilgrim's progress.