Wilcken, Richard (September 22, 2015). "Diebold corp headquarters". Diebold Corp. Archived from the original on August 13, 2016. Retrieved September 22, 2015. Diebolds World HQ address.
"History". diebold.com. Archived from the original on January 22, 2017. Retrieved July 12, 2016.
Wilcken, Richard (September 22, 2015). "Diebold corp headquarters". Diebold Corp. Archived from the original on August 13, 2016. Retrieved September 22, 2015. Diebolds World HQ address.