Margarete Windsperger-Polsterer
Source: "Margarete Windsperger-Polsterer Bibliography." Author Wars, https://authorwars.com/authors/margarete-windsperger-polsterer.html".
Source: "Margarete Windsperger-Polsterer Bibliography." Author Wars, https://authorwars.com/authors/margarete-windsperger-polsterer.html".