WDB	Observata Diplomatico-Historica De Servis Nobilibvs / Leyser, Polykarp *1690-1728*. - [Online-Ausg.]. - Helmaestadii : Schnorrius, 1727 Permalink: https://diglib.hab.de/drucke/829-helmst-dr-9s/start.htm					Deutsch
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