The fore-runner of revenge : being two petitions, the one to the Kings Most Excellent Majesty, the other to the most Honourables [sic] Houses of Parliament : wherein is expressed divers actions of the late Earle of Buckingham, especially concerning the death of King James and the Marquesse Hamelton, supposed by poyson : also may be observed the inconveniences befalling a state where the noble disposition of the prince is mis-led by a favourite /