Akker, Willem Lodewijk van den,  1887- <br/><br/>
Oorkondenboek, 1413-1913. 

 - Leiden,  E.J. Brill,  1942. 
 - 756 p.  25 cm. 
<br/><br/><label>LCCN: </label>af 47006518  
<br/><br/><label>Subjects--Personal Names: </label><br/>Eaker family.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Netherlands--Genealogy.
<br/><br/><label>LC Class. No.: </label>CS789.A4  / A4