Roberts, George  W <br/><br/>
Factors involved in immigration and movements in the working force of British Guiana in the nineteenth century, by G.W. Roberts and M.A. Johnson  

 - n.p.  1972 
 - 13, /5/L.  28cm. 
<br/><br/> Mimeographed. Paper presented to the 4th Conference of Caribbean Historians, Mona, 1972 
<br/><br/><label>Dewey Class. No.: </label>Pam 325.881  / Rob