Spero, Sterling D. , <br/><br/>
The labor movement in a government industry :  a study of employee organization in the postal service / 
Sterling D. Spero 
 - New York :  Macmillan,  1927 
 - xii, 320 p. ;  18 cm. 
 - The workers' book shelf .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal service--Employees--Labor unions--Law and legislation--United States<br/>Central labor council--United States<br/>Labor unions--Law and legislation--United States
<br/><br/><label>Dewey Class. No.: </label>331.880973