Appendix A: The Reliability of the Department of Commerce Samples
    Published Date 
  
  
    Copyright 1945
  
  
    ISBN 0870140442
  
 
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      Copy CitationMilton Friedman and Simon Kuznets, Income from Independent Professional Practice (NBER, 1954), https://www.nber.org/books-and-chapters/income-independent-professional-practice/appendix-reliability-department-commerce-samples.
 
     
    