A declaration of the noble resolution of the Earle of Essex his Excellence. [electronic resource] : Concerning his intention in going forth with this great army, consisting of 60000. now advancing forward under his honourable command; in the defence of the King and Parliament, and the Protestant religion. With an excellent speech delivered vnto his honour, immediately before his departure, by the Lord Roberts, before divers colonells and captaines at Essex House, to encourage the Earle in his proceedings, and the justice of his cause, being undertaken for the generall good of the kingdome. Being thought fit to be published for the satisfaction of well affected persons, and true Protestants.