Popper-Polak, L.
http://lod.ehri-project-test.eu/instantiations/nl-002891-nl_saa_410277-nl_saa_21803732-nl_saa_410279-nl_saa_410308-nld an entity of type: Instantiation
Popper-Polak, L.
Popper-Polak, L.