Kapteyn, J. C. <br/><br/>
Plan of selected areas 
J. C. Kapteyn 
 - Groningen  Hoitsema Brothers  1923 
 - 79p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>52  / KAP