- Maintained by: Find A Grave
- Originally Created by: Buddy
- Added: 23 Jun 2008
- Find A Grave Memorial 27763842
Find A Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Joseph L. Mason, Sr (18 Jun 1920–5 Feb 2007), Find A Grave Memorial no. 27763842, citing Mount Olivet Cemetery, Washington, District of Columbia, District Of Columbia, USA ; Maintained by Find A Grave (contributor 8) .