Automotive Industry: You can search by: Auto (including auto, autos, automotive, automobile) | and Traffic.
You can also search by individuals such as: Fisher | and Henry Ford.
You can also search by companies including: Chrysler | Ford | and General Motors.
Business and Labor: Some broad categories include: Railroads | Aero* (including aerospace, aeroplanes, etc) | Business* (including businesses and businessman) | Labor | Strike* (including strike, strikes, strikers) | and Unions.
You can also search by individuals such as: Cesar Chavez | and Walter Reuther
Local: Some broad categories include: Bridges | Building* (including building and buildings) | Cities (Michigan) | Ethnic Groups (labeled as "Foreign Colonies") | Hous* (including houses, housing, etc) | Residences | Schools | and Streets.
Politics: Some broad categories include: Activ* (including activist, activism, etc) | Busing | Communis* (including communist, communism, etc) | Picket* (including picketers, picketing, etc) | Poverty | Prohibition | President | Riot* (including riot, riots, rioters) | and War.
You can also search for individuals including: John Kennedy | Martin Luther King | and Franklin Delano Roosevelt.
Sports: Some broad categories include: Baseball | Basketball | Boxing (and boxers) | Football | and Hockey.
You can also search by name such as: Muhammad Ali | Joe DiMaggio | Gordie Howe | Joe Louis | and Martina Navratilova
Style and Entertainment: Some broad Categories include: Actor or Actress | Belle Isle | Cloth* (including clothes, clothing, etc) | Motown | Parades | and Parks.
You can also search for individuals including: Aretha Franklin | Judy Garland | Mickey Rooney | and Stevie Wonder.