Frank, Karl <br/><br/>
Philosophia naturalis :  In usum scholarum 

<br/><br/> CURSUS philosophicus.... 1926. v.3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manual<br/>Cosmologia
<br/><br/><label>Universal Decimal Class. No.: </label>1  (021)