Related Clues:

• Middle European
• Many a Cossack
• One of many Eastern Europeans
• Ostrava tongue
• Like the author of "R.U.R."
• Czech or Pole
• Croat or Bulgarian
• Czech, e.g., but not a Hungarian
• Austerlitz native, e.g.
• Europe native
• Moravian or Serb
• Ukrainian speaker, e.g.
• Bulgarian or Croat
• Prague citizen
• Pole, ethnically