"Deutschland, Geburten und Taufen 1558-1898," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/NGHR-B55 : accessed 14 Oct 2013), Maximilian Schumm in entry for Maximilianus Schumm, 07 Feb 1831; citing [REFERENCE-ERROR]; FHL microfilm 901845.