X-Nico

AVA Radio Company

Władysław Kozaczuk, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984, ISBN 0-89093-547-5.

Hans-Thilo Schmidt

Władysław Kozaczuk, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984.

Henri Braquenié

Władysław Kozaczuk, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984, pp.

Jerzy Różycki

Władysław Kozaczuk, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War II, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984.

Józef Kalasanty Szaniawski

Władysław Tatarkiewicz, "Outline of the History of Philosophy in Poland," translated from the Polish by Christopher Kasparek, The Polish Review, vol.

Michael Alfred Peszke

Christopher Kasparek, review of Michael Alfred Peszke, The Polish Underground Army, the Western Allies, and the Failure of Strategic Unity in World War II, in The Polish Review, vol.

Poglish

Christopher Kasparek, "Krystyna Skarbek: Re-viewing Britain's Legendary Polish Agent," The Polish Review, vol.

Wilfred Dunderdale

Kozaczuk, Władysław, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984, ISBN 0-89093-547-5.

see also