Dvorník, František  (1893-1975). <br/><br/>
The Slavs :  their early history and civilization / 
by Francis Dvornik. 
 - Boston :  American Academy of Arts and Sciences,  1956. 
 - [8], 394 s. :  il. ;  25 cm. 
 - Survey of Slavic Civilization ;  vol. 2. .
 - Survey of Slavic Civilization ;  vol. 2. .
<br/><br/> Dotyczy m. in. Polski. 
<br/><br/>Bibliogr.