Talk:William F. Ballhaus Sr.

A Commons file used on this page has been nominated for deletion
The following Wikimedia Commons file used on this page has been nominated for deletion: Participate in the deletion discussion at the. —Community Tech bot (talk) 21:37, 29 August 2019 (UTC)
 * Arnold O. Beckman and William Ballhaus Sr. 1967 Feedback 2012 002 488 474299495.tiff