Bohemiæ regnum electiuum. That is, A plaine and true relation of the proceeding of the states of Bohemia, from the first foundation of that prouince, by free election of princes and kings vnto Ferdinand the eighteenth King of the house of Austria : Wherein is euidently manifested, that the first princes were elected, and no true and simple hereditary succession established, nor practised in all that time, containing about 900. yeares; taken out of vnpartiall and classicque authors.