TY  - BOOK
AU  - Tripp, L. Reed
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : a survey
SN  - 2
PY  - 1961///46
CY  - New York
PB  - Harper
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Labor and laboring classes
KW  - United States
N1  - Includes bibliography; 5
ER  -