Treason and murther discovered [electronic resource] : Being a true and perfect relation of the tryal & condemnation of James Alsop the father, and William Alsop his son for treason and murder; at the assises held at Chelmsford for the county of Essex, on Wednesday the 25th of March, 1674. Also the wonderfull discovery both of the treason and murder; with the sentence of the court for the manner and places of their execution. Written by a person who was present at the tryal