Schwarz, Bruno E., <br/><br/>
A Description of United States postage stamps, 1847-1943 / Bruno E. Schwarz 

 - 152 páginas :  ilustraciones 
<br/><br/> "Issued by the Post Office Department from July 1, 1847, to December 31, 1943" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Timbres postales--Topicos--Estados Unidos
<br/><br/><label>LC Class. No.: </label>HE6183.U54  / S34