1,228
Resources share the relationship sub focus to 20th century
- Ireland -- Civilization -- 20th century
- Nepal -- History -- 20th century -- Fiction
- Newspaper publishing -- Washington (D.C.) -- History -- 20th century -- Juvenile literature
- Wrocław (Poland) -- Social conditions -- 20th century -- Fiction
- Counterculture -- United States -- History -- 20th century
- Periodicals + Publishing -- New York (State) -- New York -- History -- 20th century
- Cooking, American + History -- 20th century
- United States, Army, Airborne Division, 101st -- History -- 20th century
- Genocide -- Turkey -- Psychological aspects -- History -- 20th century
- Great Britain -- Politics and government -- 20th century -- Drama
- Germans -- Prussia, East (Poland and Russia) -- History -- 20th century
- War + History -- 20th century
- Arkansas -- Intellectual life -- 20th century
- Authors, Irish -- 20th century -- Fiction
- United States, National Aeronautics and Space Administration -- History -- 20th century
- Louisiana -- History -- 20th century -- Fiction
- Lakes -- Ontario -- Gowganda -- History -- 20th century -- Juvenile literature
- Appalachian Region -- History -- 20th century -- Fiction
- United States -- Social conditions -- 20th century -- Fiction
- Gay rights -- United States -- History -- 20th century
- American literature -- 20th century -- History and criticism
- Fires -- California -- San Francisco -- History -- 20th century -- Juvenile literature
- Atlantic Coast (Spain) -- History, Military -- 20th century
- Television broadcasting of news -- 20th century -- Drama
- Maine -- History -- 20th century -- Juvenile fiction
- Gary (Ind.) -- History -- 20th century -- Fiction
- Espionage -- United States -- History -- 20th century
- United States -- Social conditions -- 20th century -- Drama
- Violence -- Northern Ireland -- History -- 20th century -- Fiction
- Interior decoration -- United States -- History -- 20th century
- National Football League -- History -- 20th century
- Southern States -- Social life and customs -- 20th century -- Fiction
- Lipizzaner horse -- Austria -- History -- 20th century
- New York (State) -- History -- 20th century -- Fiction
- Race discrimination -- United States -- History -- 20th century
- African Americans + Intellectual life -- 20th century
- Jews -- Poland -- History -- 20th century -- Comic books, strips, etc
- Chemical warfare -- United States -- History -- 20th century
- Segregation in transportation -- Alabama -- Montgomery -- History -- 20th century -- Juvenile literature
- Pennsylvania -- History -- 20th century -- Fiction
- Mountaineers + History -- 20th century
- Tulsa (Okla.) + Race relations + History -- 20th century
- Prisoners of war -- Philippines -- History -- 20th century
- Deception (Military science) + History -- 20th century -- Juvenile literature
- Basketball teams -- United States -- History -- 20th century -- Juvenile literature
- Germany (East) -- History -- 20th century -- Juvenile fiction
- Long Island (N.Y.) -- History -- 20th century -- Fiction
- Egypt -- History -- 20th century -- Juvenile fiction
- Sabotage -- New Jersey -- Black Tom Island -- History -- 20th century
- Fascism -- Italy -- History -- 20th century