Mary Worth at Don Markstein's Toonopedia. Archived from the original on October 24, 2015.
bailsprojects.com
Bails, Jerry; Hames Ware. "Bolle, Frank". Who's Who of American Comic Books 1928–1999. Archived from the original on June 30, 2015. Retrieved 2015-06-28. Note: Information "by Frank Bolle via Jim Amash March 2006".
markcarlson-ghost.com
"The 'Career Girls' of Apartment 3-G," Mark Carlson-Ghost [1] retrieved 9/30/2017
Mary Worth at Don Markstein's Toonopedia. Archived from the original on October 24, 2015.
web.archive.org
Bails, Jerry; Hames Ware. "Bolle, Frank". Who's Who of American Comic Books 1928–1999. Archived from the original on June 30, 2015. Retrieved 2015-06-28. Note: Information "by Frank Bolle via Jim Amash March 2006".
