Ryder John D <br/><br/>
Networks,lines and fields. 
Ryder John D 
 - 2 
 -  1955 
<br/><br/><label>Standard No.: </label>130227 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D651, J5