Columbia subject headings:
English poetry--Old English, ca. 450-1100--History and criticism.
Exeter book.
Riddles in literature.
Riddles, English (Old)--History and criticism.
Harvard subject headings:
Princeton subject headings:
English poetry--Old English, ca. 450-1100--History and criticism.
Exeter book.
Nature in literature.
Riddles in literature.
Riddles, English (Old)--History and criticism.