Columbia subject headings:
Architects--Greece--Exhibitions.
Architecture--Greece--History--20th century.
Pikiōnēs, Dēmētrēs, 1887-1968.
Harvard subject headings:
Architects--Greece.
Architecture, Modern--20th century--Greece--Exhibitions.
Pikiōnēs, Dēmētrēs, 1887-1968--Exhibitions.
Princeton subject headings:
Architecture, Modern--20th century--Greece--Exhibitions.
Pikiōnēs, Dēmētrēs, 1887-1968--Exhibitions.