Possible Subjects to try:
Segregation -- United States -- History -- 20th century
Suburbs -- United States
Inner cities -- United States -- History
Gentrification
Ethnic neighborhoods -- United States
Discrimination in mortgage loans -- United States
Discrimination in credit cards -- United States
Subprime mortgage loans -- United States
Global Financial Crisis, 2008-2009
Financial crises -- United States
Recessions -- United States
Cities and towns -- Growth -- Environmental aspects -- United States
Urban ecology (Sociology) -- United States
Urban parks
Urban agriculture
Public spaces -- United States
Manufacturing industries -- United States
Interstate Highway System
Roads -- Design and construction
National Cash Register Company
Dunbar, Paul Laurence, 1872-1906
Wright, Orville, 1871-1948
Wright, Wilbur, 1867-1912
Electric railroads -- Ohio -- Dayton -- History
Ohio and Erie Canal
Automobiles -- Design and construction -- Ohio -- Dayton
Miami Conservancy District (Ohio)
Dayton (Ohio) -- Flood, 1913
Inventions -- Ohio -- Montgomery County
Catholic Church -- Ohio -- Dayton
Kettering, Charles Franklin, 1876-1958
Dayton (Ohio) -- History
Miami River Valley (Ohio) -- History
