Hi Elizabeth...
There are two likely venues for the exhibit to which you refer
in Worcester, MA. I recall a documentary [more than one actually]
at the Worcester Historical Musuem. I'd try them first. Also, the
Worcester Art Musuem has significant holdings of photography.
Good luck. Call if you need further help.
Lois
Lois Brynes
Associate Director
New England Science Center
Worcester, MA 01604 USA
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[508] 791-9211