Hours of work in relation to output:  an annotated list of references. 
Comp. by Laura A. Thompson. 
 - [Washington,  1920] 
 - 13 numb. l.  27 cm. 
<br/><br/> Caption title.  Autographed (on one side of leaf only) from type-written copy. 
<br/><br/><label>LCCN: </label>l  20000023  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z7164.L1  / U673