Products and by-products of coal, 
by Edgar Stansfield, and F. E. Carter. 
 - Ottawa,  Government printing bureau,  1915. 
 - vi p., 1 l., 51 p.  fold. tab., diagr.  25 cm. 
<br/><br/><label>LCCN: </label>gs 15000836  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal.<br/>Coal-tar products.
<br/><br/><label>LC Class. No.: </label>TP755  / .C3