Columbia subject headings:
Azcona, Abel, 1988---Travel--Spain--Barcelona.
Barcelona (Spain)--Description and travel.
Barcelona (Spain)--Social life and customs--21st century.
Walking in art.
Walking in literature.
Walking--Spain--Barcelona.
Harvard subject headings:
Azcona, Abel, 1988---Travel--Spain--Barcelona.
Barcelona (Spain)--Description and travel
Barcelona (Spain)--Social life and customs--21st century.
Walking in art
Walking in literature
Walking--Spain--Barcelona.
Princeton subject headings:
Azcona, Abel, 1988---Travel--Spain--Barcelona.
Barcelona (Spain)--Description and travel.
Barcelona (Spain)--Social life and customs--21st century.
Walking in art.
Walking in literature.
Walking--Spain--Barcelona.