Sullivan, William Arnold,  <br/><br/>
The industrial worker in Pennsylvania, 1800-1840, 
by William A. Sullivan. Harrisburg, Pennsylvania Historical and Museum Commission, 1955. 
 - [New York,  Johnson Reprint Corp.,  1972] 
 - History of American economy .
<br/><br/> First published 1955. 
<br/><br/>Bibliography: p. 235-245. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working class -- Pennsylvania -- History -- 19th century.<br/>Trade-unions -- Pennsylvania -- History -- 19th century.
<br/><br/><label>LC Class. No.: </label>HD8083.P43 SUL 1972