Hoppeler, Hans <br/><br/>
Woher die Kindlein kommen  [electronic resource] / 
Hans Hoppeler 
 -  Project Gutenberg,  2009 
 - Project Gutenberg  28279 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Sex instruction for children 
<br/><br/><label>LC Class. No.: </label>HQ