The Czech black book / 
Prepared by the Institute of History of the Czechoslovak Academy of Sciences. Edited by Robert Littell 
 - New York :  Avon,  1969 
 - xi, 303 p.:  22 cm. 
<br/><br/> Translation of Sedm prazskych dnu: 21.-27. srpen 1968. 
<br/><br/><br/>engcze 
<br/><br/><label>LCCN: </label>75-076955 //r844 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Czechoslovakia--History--Intervention, 1968