Zehetner, Ludwig (1985). Das bairische Dialektbuch(PDF) (1 ed.). München: C.H. Beck'sche Verlagsbuchhandlung. p. 211. ISBN3406305628. Archived(PDF) from the original on 9 November 2017. Retrieved 23 June 2020.
"Old town of Regensburg with Stadtamhof". UNESCO World Heritage Centre. United Nations Educational, Scientific, and Cultural Organization. Retrieved 3 September 2022.
Zehetner, Ludwig (1985). Das bairische Dialektbuch(PDF) (1 ed.). München: C.H. Beck'sche Verlagsbuchhandlung. p. 211. ISBN3406305628. Archived(PDF) from the original on 9 November 2017. Retrieved 23 June 2020.