#booker__booking_agent__bookingagent  someone who engages a person or company for performances
  supertype:  #agent.representative  a representative who acts on behalf of other persons or organizations
  subtype:  #showman__promoter__impresario  a sponsor who books and stages public entertainments
     subtype:  #exhibitor__exhibitioner__shower  someone who organizes an exhibit for others to see
     subtype:  #organ-grinder__organgrinder  a street musician who plays a hand organ or hurdy-gurdy
     subtype:  #pornographer__porn_merchant  someone who presents shows or sells writing or pictures that are sexually explicit in violation of the community mores
     instance:  #Phineas_Taylor_Barnum__Barnum__P._T._Barnum  #William_Frederick_Cody__Cody__William_F._Cody__Buffalo_Bill__Buffalo_Bill_Cody  #Sergei_Pavlovich_Diaghilev__Diaghilev__Sergei_Diaghilev  #Richard_D'Oyly_Carte__D'Oyly_Carte  #Solomon_Hurok__Hurok__Sol_Hurok  #Charles_Ringling__Ringling

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