Columbia subject headings:
Harvard subject headings:
Italy. Esercito--History--World War, 1914-1918.
Military history, Modern--20th century
World War, 1914-1918--Trench warfare
Princeton subject headings:
Italy. Esercito--History--World War, 1914-1918.
Military history, Modern--20th century.
Russo-Japanese War, 1904-1905.
South African War, 1899-1902.
World War, 1914-1918--Trench warfare.