A vvorthy speech spoken by His Excellence the Earle of Essex. [electronic resource] : In the head of his armie, before his arrivall at Worcester, on Saterday last, being the 24. of September, 1642. VVherein is declared every particular order and duty which his Excellence expects to be performed both by his commanders and souldiers. With a royall protestation taken by his Excellence, and by him prescribed to be taken throughont [sic] the armie.