Subject Count
WORLD WAR (1914-1918) 7
World war, 1914-1918 2
World War (1914-1918) 19702
World War, 1914-1918) 1
World War, 1914-1918 3546
World War, 1914-1918 -- Addresses, sermons, etc 16
World War, 1914-1918 -- Adriatic Sea 1
World War, 1914-1918 -- Adriatic Sea -- Naval operations, Austrian 1
World War, 1914-1918 -- Adriatic Sea -- Naval operations, Italian 1
World War, 1914-1918 -- Adriatic Sea Region -- Congresses 1
World War, 1914-1918 -- Adriatic Sea Region -- Naval operations 1
World War, 1914-1918 -- Aerial Operations 1
World War, 1914-1918 -- Aerial operations 233
World War, 1914-1918 Aerial operations 4
World War, 1914-1918 -- Aerial operations, American 51
World War, 1914-1918 -- Aerial operations, American -- Biography 2
World War, 1914-1918 -- Aerial operations, American -- Drama 1
World War, 1914-1918 -- Aerial operations, American -- Juvenile fiction 1
World War, 1914-1918 -- Aerial operations, American -- Sources 1
World War, 1914-1918 -- Aerial operations, Australian 2
World War, 1914-1918 -- Aerial operations -- Bibliography 1
World War, 1914-1918 -- Aerial operations -- Biography 1
World War, 1914-1918 -- Aerial operations, British 46
World War, 1914-1918 -- Aerial operations, British -- Biography 2
World War, 1914-1918 -- Aerial operations, British -- Fiction 1
World War, 1914-1918 -- Aerial operations, British -- History -- Sources 2
World War, 1914-1918 -- Aerial operations, British -- Juvenile fiction 1
World War, 1914-1918 -- Aerial operations, British -- Sources -- Bibliography -- Catalogs 1
World War, 1914-1918 -- Aerial operations, Canadian 2
World War, 1914-1918 -- Aerial operations -- Catalogs 1
World War, 1914-1918 -- Aerial operations -- Fiction 1
World War, 1914-1918 -- Aerial operations, French 14
World War, 1914-1918 -- Aerial operations, French -- Fiction 1
World War, 1914-1918 -- Aerial operations, German 36
World War, 1914-1918 -- Aerial operations, German -- History -- 20th century 1
World War, 1914-1918 -- Aerial operations -- History 1
World War, 1914-1918 -- Aerial operations, Italian 7
World War, 1914-1918 -- Aerial operations, Italian -- Exhibitions 1
World War, 1914-1918 -- Aerial operations, Japanese 1
World War, 1914-1918 -- Aerial operations -- Juvenile fiction 3
World War, 1914-1918 -- Aerial operations -- Juvenile literature 2
World War, 1914-1918 -- Aerial operations -- Periodicals 1
World War, 1914-1918 -- Aerial operations, Romanian 1
World War, 1914-1918 -- Aerial operations, Russian 4
World War, 1914-1918 -- Aerial operations -- Sources 1
World War, 1914-1918 -- Aerial operations -- United States 3
World War, 1914-1918 -- Africa 23
World War, 1914-1918 -- Africa -- Drama 1
World War, 1914-1918 -- Africa, East 4
World War, 1914-1918 -- Africa, East -- Fiction 2
World War, 1914-1918 -- Africa, French-speaking West 2
World War, 1914-1918 -- Africa, North 4
World War, 1914-1918 -- African American 1
World War, 1914-1918 - African American 1
World War, 1914-1918 -- African Americans 23
World War, 1914-1918 -- African Americans -- Fiction 1
World War, 1914-1918 -- African Americas 1
World War, 1914-1918 -- Alabama 3
World War, 1914-1918 -- Alaska 2
World War, 1914-1918 -- Albania 9