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- African American civil rights workers--Pennsylvania--Pittsburgh1
- African Americans--Civil rights--Pennsylvania--Pittsburgh1
- Boycotts--Pennsylvania--Pittsburgh1
- Civil rights demonstrations--Pennsylvania--Pittsburgh1
- Civil rights movements--Pennsylvania--Pittsburgh1
- Civil rights workers--Pennsylvania--Pittsburgh1
- Discrimination--Pennsylvania--Pittsburgh[remove]1
- Men--Pennsylvania--Pittsburgh1
- National Association for the Advancement of Colored People1
- Picketing--Pennsylvania--Pittsburgh1
- Race discrimination--Pennsylvania--Pittsburgh1
- Signs and signboards--Pennsylvania--Pittsburgh1
- Storefronts--Pennsylvania--Pittsburgh1