02.05.06
UIS Spring, 2006 - Understanding US History
Boston Massacre/Isaiah Thomas
Pittsburgh Library - Isaiah Thomas
The American Antiquarian Society - founded by Isaiah Thomas
Wikipedia: Boston Massacre
Archiving Early America - Boston Massacre
BostonMassacre.net
The Boston Massacre Trial of 1770
Google: Boston Massacre
Supreme Judicial Court Historical Society (contains part of Isaiah Thomas broadside but does not give credit)