Worcester, Massachusetts firsts

Worcester firsts

Worcester resident Harvey Ball's iconic smiley face

References

  1. Declaration of Independence: First Public Readings
  2. 1 2 3 4 5 6 7 8 Regional Info >> Unique Worcester County Facts
  3. Valentine Exhibition- Origins of the Valentine
  4. Mechanical Music Digest - Calliope
  5. Psychology Department ~ Clark University
  6. Albert Abraham Michelson 1852-1931
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