Columbia subject headings:
Bueno, Javier, 1884-1967--Travel.
Crouselles, Carlos, 1878-1907--Travel.
France--Description and travel.
Spain--Description and travel.
Travel with donkeys--Spain.
Voyages and travels.
Harvard subject headings:
Bueno, Javier, 1884-1967--Travel.
Crouselles, Carlos, 1878-1907--Travel.
France--Description and travel
Spain--Description and travel
Travel with donkeys--Spain.
Voyages and travels
Princeton subject headings:
Travel with donkeys--Spain.
Voyages and travels.