TY - DATA T1 - Dictionary of Occupational Titles (DOT): Part I - Current Population Survey, April 1971, Augmented With DOT Characteristics and Dictionary of Occupational Titles (DOT): Part II - Fourth Edition Dictionary of DOT Scores for 1970 Census Categories AU - National Academy of Sciences. Committee on Occupational Classification and Analysis PY - 2006 DO - 10.3886/ICPSR07845.v2 PB - Inter-university Consortium for Political and Social Research [distributor] ER -