"Interment: Andreas Roland Gruentzig". Riverside Cemetery. Archived from the original on May 10, 2021. Retrieved May 9, 2021. Lot Designation: Dogwood, Lot 149; includes photos & obituary.
"Interment: Andreas Roland Gruentzig". Riverside Cemetery. Archived from the original on May 10, 2021. Retrieved May 9, 2021. Lot Designation: Dogwood, Lot 149; includes photos & obituary.