Zern, E. N. <br/><br/>
Coal miners'pocketbook. 

 - New York :  McGraw-Hill,  1928. 
 - 1273 p. :  il. ;  17 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería<br/>Carbón
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>622.33(083)