IPN GK 162, IPN BU 1300, IPN BU 2448, IPN BU 2991, IPN GK 904, IPN LU 381, IPN GD 39, IPN BU 2188, IPN KA 654, IPN KA 769

http://lod.ehri-project-test.eu/units/pl-003137-984/alternateIDs/1 an entity of type: Identifier