Columbia subject headings:
Alternative histories (Fiction)--History and criticism--Congresses.
Fantasy literature, European--History and criticism--Congresses.
Harvard subject headings:
Alternative histories (Fiction)--History and criticism--Congresses.
Fantasy literature, European--History and criticism--Congresses.
Princeton subject headings:
Alternative histories (Fiction)--History and criticism--Congresses.
Fantasy literature, European--History and criticism--Congresses.