Columbia subject headings:
Architecture--Sweden--Helsingborg--History--20th century.
City planning--Sweden--Helsingborg.
Helsingborg (Sweden)--Buildings, structures, etc.
Harvard subject headings:
Architects--Switzerland.
Architecture--Study and teaching--Switzerland--Zurich.
Bus terminal--Sweden--Helsingborg--Designs and plans.
Campi, Mario, 1936-
Helsingborg (Sweden)--Buildings, structures, etc.
Railroad terminals--Sweden--Helsingborg--Designs and plans.
Princeton subject headings:
Architecture, Modern--20th century--Sweden--Helsingborg.
City planning--Sweden--Helsingborg.
Helsingborg (Sweden)--Buildings, structures, etc.