• http://socsci.colorado.edu/SOC/
  
  

• www.frc.org
  
  

• www.sp.uconn.edu/~womstu4/home.html
  
  

• www.umanitoba.ca/faculties/arts/anthropology/knititle.html
  
  

• www.ablongman.com/socprobs
  
  

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