Berkhaus (Bethlehem) Lutheran Church (Ohl, PA), Church RG-L 016. E&R Library & Archives.
Berkhaus (Bethlehem) Lutheran Church (Ohl, PA), Church RG-L 016. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3157 Accessed July 27, 2025.
