"Mr. Cogito's Duels – Zbigniew Herbert's views on Adam Michnik" From Solidarity to Democracy by Matthew Kaminski, Wall Street Journal, 7 November 2009 (Vol.
"Mr. Cogito's Duels – Zbigniew Herbert's views on Adam Michnik" From Solidarity to Democracy by Matthew Kaminski, وال‌استریت جورنال، ۷ نوامبر ۲۰۰۹ (Vol.