Across Poland /

समान संसाधन

• Fifteen years of peoples' Poland /
  प्रकाशित: (1959)
• Concise statistical yearbook of Poland(Warszawa) /
  प्रकाशित: (1973)
• The Population Of Poland
  प्रकाशित: (1975)
• The Population Of Poland
  प्रकाशित: (1975)
• The new Poland.
  द्वारा: Newman, Bernard
  प्रकाशित: (1968)