Columbia subject headings:
Harvard subject headings:
Dumas, Alexandre, 1802-1870--Travel--Switzerland--Fribourg--Exhibitions.
Fribourg (Switzerland)--Description and travel--Exhibitions.
Princeton subject headings:
Dumas, Alexandre, 1802-1870--Travel--Switzerland--Fribourg--Exhibitions.
Fribourg (Switzerland)--Description and travel--Exhibitions.