A. Chr. Grossberger Chancel Book, Collection ID-0366, Box: Gro - Gu, Folder: Grossberger. Concordia Historical Institute.
A. Chr. Grossberger Chancel Book, Collection ID-0366, Box: Gro - Gu, Folder: Grossberger. Concordia Historical Institute. https://concordiahistoricalinstitute.libraryhost.com/repositories/2/resources/1126 Accessed October 18, 2024.
