Crash Course World History

• 
  John Green
  Self
• 
  Stan Muller
  Self
• 
  Danica Johnson
  Self
• 
  Raoul Meyer
  Self

• Stan Muller
• Mark Olsen

• John Green
  ...
  (writer)
• Bram Hubbell
  ...
  (writer)
• Raoul Meyer
• Neal Schultz
  ...
  (writer)
• Elisabeth Sperling
  ...
  (writer)
• Teva Vidal
  ...
  (writer)