IPN WR 5; IPN WR 6; IPN WR 8; IPN WR 9; IPN WR 10; IPN WR 11; IPN WR 12; IPN WR 216; IPN WR 217; IPN WR 476; IPN WR 551;

http://lod.ehri-project-test.eu/units/pl-003153-3085/alternateIDs/1 an entity of type: Identifier