Roucek, Joseph S.  <br/><br/>
Poles in the United States of America / 
by Joseph Slabey Roucek. 
 - Gdynia :  The Baltic Institute,  1937. 
 - 64 s., 1 mapa ;  18 cm. 
 - The Baltic Pocket Library. .
 - Biblioteczka Bałtycka. .