Kidney, Walter C. <br/><br/>
Pittsburgh then & now / 
Walter C. Kidney. 
 - 144 p. :  ill. (some col.) ;  26 x 29 cm. 
<br/><br/><label>ISBN: </label>9781592231416 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Pittsburgh (Pa.)--History--Pictorial works<br/>Pittsburgh (Pa.)--History--Pictorial works
<br/><br/><label>LC Class. No.: </label>F159.P643  / .K56 2004