Columbia subject headings:
Harvard subject headings:
Alsace (France)--History, Military--Periodicals.
Fortification--France--Alsace--Periodicals.
Historic buildings--France--Alsace--Periodicals.
Military architecture--France--Alsace--Periodicals.
Princeton subject headings:
Alsace (France)--History, Military--Periodicals.
Fortification--France--Alsace--Periodicals.
Historic buildings--France--Alsace--Periodicals.
Military architecture--France--Alsace--Periodicals.
Periodicals.