The Black Industrial Worker :  a social psychological study. A pre liminary report / 
Y. Glass. 
 - Johannesburg :  National Institute for Personnel Research,  1960 . 
 - 11, 52, [52] l. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor--Africa, South<br/>Negroes--Employment.
<br/><br/><label>Dewey Class. No.: </label>331.0968