Columbia subject headings:
Architecture--Switzerland--Langenthal--History--20th century.
Egger, Hector, 1880-1956.
Langenthal (Switzerland)--Buildings, structures, etc.
Harvard subject headings:
Architects--Switzerland.
Architecture--Switzerland--Langenthal--20th century.
Architecture--Switzerland--Langenthal--History.
Egger, Hector, 1880-1956--Criticism and interpretation.
Langenthal (Switzerland)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Switzerland--Langenthal--20th century.
Egger, Hector, 1880-1956.
Langenthal (Switzerland)--Buildings, structures, etc.