Devices on Standards of the Anglo-Saxons

Can any of your readers inform me what devices were borne on the standards of the several Anglo-Saxon kingdoms during the so-called Heptarchy? The *white horse* is by many supposed to have been the standard of Wessex, and to have been borne by Alfred; but was not this really the ensign of the Jutish kingdom of Kent, the county of Kent to this day displaying the white horse in its armorial bearings? The standard of Wessex is by others said to have been the *white dragon*; but Thierry supposes that this, like the contrasted *red dragon* of Cymbri, was merely a poetical designation, and seems to…