Roberts, B. C.    1917- <br/><br/>
The Trades Union Congress, 1868-1921 /    
B. C. Roberts. 
 - London :   G. Allen & Unwin,   1958. 
 - 408 p. ;    23 cm. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor unions--------
<br/><br/><label>Dewey Class. No.: </label>331.880942