Bergmann, Herbert. <br/><br/>
Primary school agriculture / 
Herbert Bergmann [and] Richard Butle r 
 - Braunschweig :   Vieweg,   1985 
 - v. :   ill. ;   25 cm. 
<br/><br/>Includes bibliographical references (p. 189-190) 
<br/><br/>Vol. 1. Pedagogy.- Vol. 2. Background information. 
<br/><br/><label>ISBN: </label>3528020148 (v. 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agricultural education<br/> Agriculture-- Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.357