Kalma, Douwe,  1896-1953. <br/><br/>
Skiednis fen Fryslan. 
2. printinge. 
 - Dokkum,  J. Kamminga,  1944. 
 - 304 p.  plates, ports, maps, facsim.  23 cm. 
<br/><br/> "For fierdere stúdzje" at end of each chapter. 
<br/><br/><label>LCCN: </label>af 48001316  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Friesland (Netherlands)--History.<br/>Ostfriesland (Germany)--History.
<br/><br/><label>LC Class. No.: </label>DJ401.F55  / K3 1944