TY  - GEN
AU  - Roberts, George
TI  - 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 
U1  - Pam 325.881 
PY  - 1972///
CY  - n.p.
N1  - Mimeographed. Paper presented to the 4th Conference of Caribbean Historians, Mona, 1972
ER  -