Doerflinger, Thomas M..
A vigorous spirit of enterprise : merchants and economic development in revolutionary Philadelphia /

. - New York ; London  : W.W. Norton & Company,  1986 
. - XVI, 414 p.  20 cm. 
<br/>К.: Іл. , карти, бібліогр. 
<br/><label>  ISBN: </label>0-393-95695-4