//-->
Welfare work in mill villages : the story of extra-mill activities in North Carolina
Herring, Harriet Laura, (1968)
Models for measuring the impact of technological change on location of marketing facilities
Miller, Bill R., (1964)
A history of the North Carolina State Board of Health, 1877-1925
Washburn, Benjamin Earle, (1966)
The sandwich estimate of variance
Hardin, James W., (2003)
The robust variance estimator for two-stage models
Hardin, James W., (2002)
Instrumental variables, bootstrapping, and generalized linear models