TY  - BOOK
AU  - Hatton, T. J.
AU  - Williamson, Jeffrey G. , 1935-
TI  - The age of mass migration : causes and economic impact
SN  - 0195116518
AV  - JV6217.H37 1998 
PB  - Oxford University Press
KW  - Emigration and immigration - Economic aspects - History
KW  - Alien labor - History
KW  - Labor market - History
KW  - JV
N1  - Bibliography : p. 271-290; Includes index
ER  -