Columbia subject headings:
Harvard subject headings:
Tours (France)--History, Military--20th century--Pictorial works.
Tours (France)--History, Military--20th century.
World War, 1914-1918--France--Tours--Pictorial works.
World War, 1914-1918--France--Tours.
World War, 1914-1918--Regimental histories--France--Tours--Pictorial works.
World War, 1914-1918--Regimental histories--France--Tours.
Princeton subject headings:
Tours (France)--History, Military--20th century--Pictorial works.
Tours (France)--History, Military--20th century.
World War, 1914-1918--France--Tours--Pictorial works.
World War, 1914-1918--France--Tours.
World War, 1914-1918--Regimental histories--France--Tours--Pictorial works.
World War, 1914-1918--Regimental histories--France--Tours.