Heymann, Frederick G.  1900-1983. <br/><br/>
John Z��?�iz��?�ka and the Hussite revolution, 
by Frederick G. Heymann. 
 - New York,  Russell & Russell  [1969, c1955] 
 - 521 p.  illus., maps.  25 cm. 
<br/><br/>Bibliography: p. 499-507. 
<br/><br/><label>LCCN: </label>71077671 
<br/><br/><label>Subjects--Personal Names: </label><br/>?i?ka, Jan, 1360 (ca.)-1424. 
<br/><br/><label>LC Class. No.: </label>DB 208  / .H4 1969