Potts, Harold E. <br/><br/>
Patents and chemical research, 
by Harold E. Potts. 
 - Liverpool,  The University press,  1921. 
 - ix, 198 p.  22 cm. 
<br/><br/><label>LCCN: </label>agr22000225  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Great Britain.<br/>Chemistry--Research.<br/>Chemistry, Technical.
<br/><br/><label>LC Class. No.: </label>TP210  / .P65