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Michigan State Police
case file
Emmet County Sheriff Office
case file
Robison Archive
Petoskey District Library
curated by
Drew Cherven
Rick Wiles
Michigan North Research
"The Six Who Died"
WKNR radio series
by
Al Koski
"
Massacre at Good Hart
" by Hon. Richard Smith, retired
"
Robison White Paper
" by Ron Covault, Oakland Co. asst. prosecutor, retired
(compiled with Petoskey Library materials and for non-profit use)
Emmet County Sheriff Office TIPS line: (231) 439-8900