Columbia subject headings:
Harvard subject headings:
Architectural firms--Austria--Vienna.
Architectural firms--Luxembourg--Remerschen.
Architectural practice, International.
Architecture, Modern--20th century--Austria--Vienna.
Architecture, Modern--20th century--Luxembourg.
Hermann & Valentiny.
Hermann, Hubert, 1955-
Valentiny, Francois, 1953-
Princeton subject headings:
Architectural firms--Austria--Vienna.
Architecture--Austria--Vienna.
Architecture--Luxembourg--Luxembourg.
Hermann & Valentiny.