Title: Trenches
Subjects: World War (1914-1918) fast (OCoLC)fst01180746, World War, 1914-1918, Trench warfare, Soldiers, Intrenchments, Juvenile literature, History, World War, 1939-1945, German Aerial operations, Campaigns, Military campaigns, Aerial Military operations, German, World war, 1914-1918, World war, 1914-1918, juvenile literature