Wojciechowski, Zygmunt  (1900-1955). <br/><br/>
The territorial development of Prussia in relation to the Polish homelands / 
by Zygmunt Wojciechowski. 
 - Toruń :  London :  Baltic Institute ;  J. S. Bergson,  1936. 
 - 78, [1] s. ;  23 cm. 
 - The Baltic Pocket Library. .
 - Biblioteczka Bałtycka. .