Subjects: s.war (sorted by quantity of books)
- Netherlands -- History -- Eighty Years' War, 1568-1648 -- Juvenile fiction 7 books
- World War, 1939-1945 -- United States -- Fiction 7 books
- World War, 1914-1918 -- Turkey 7 books
- Crimean War, 1853-1856 -- Fiction 7 books
- World War, 1914-1918 -- Naval operations, British 7 books
- Anglo-French War, 1793-1802 -- Fiction 7 books
- World War, 1914-1918 -- Juvenile literature 7 books
- World War, 1914-1918 -- Diplomatic history 7 books
- Siege warfare 7 books
- United States -- History -- Civil War, 1861-1865 -- Anecdotes 6 books
- World War, 1914-1918 -- Gift books 6 books
- Spanish-American War, 1898 -- Personal narratives 6 books
- Submarine warfare 6 books
- World War, 1914-1918 -- Peace 6 books
- World War, 1914-1918 -- Economic aspects 6 books
- World War, 1914-1918 -- Armenia 6 books
- United States -- History -- Civil War, 1861-1865 -- Veterans -- Fiction 6 books
- World War, 1914-1918 -- Battlefields -- Guidebooks 6 books
- World War, 1914-1918 -- Regimental histories -- Canada 6 books
- Greece -- History -- War of Independence, 1821-1829 -- Fiction 6 books
- World War, 1939-1945 -- Aerial operations -- Juvenile fiction 6 books
- Peninsular War, 1807-1814 -- Juvenile fiction 6 books
- Spanish-American War, 1898 -- Regimental histories -- United States 6 books
- France -- History -- Wars of the Vendée, 1793-1832 -- Fiction 6 books
- Crimean War, 1853-1856 6 books