A constitution or frame of government : agreed upon by the Delegates of the People of the State of Massachusetts-Bay, in convention, begun and held at Cambridge on the First of September, 1779, and continued by Adjournments to the Second of March, 1780. To be submitted to the Revision of their Constituents, in Order to the compleating of the same, in Conformity to their Amendments, at a Session to be held for that Purpose, on the First Wednesday in June next ensuing