Zimmermann Erich W. <br/><br/>
World Resources and Industries 

 - London  Harper & Brother       1933 
<br/><br/><label>Standard No.: </label>39 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:271:1:N3, G3"