E. Nelson Bridwell (English Wikipedia)

"E. Nelson Bridwell (1931-1987) Writer/Editor, Sapulpa" (PDF). Oklahoma Cartoonists Hall of Fame. 2005. Archived from the original (PDF) on April 1, 2012. Retrieved March 25, 2012.

books.google.com

Turniansky, Al; Eury, Michael, ed. (2006). "The Kryptonese Alphabet: A Real-World Historical Tale". The Krypton Companion. Raleigh, North Carolina: TwoMorrows Publishing. p. 32. ISBN 1-893905-61-6. {{cite book}}: |first2= has generic name (help)CS1 maint: multiple names: authors list (link)

cbgxtra.com

Bru-Hed (December 12, 2005). "New Cartoonists Hall of Fame Collection & Museum!". Comics Buyer's Guide. Iola, Wisconsin. Archived from the original on June 17, 2013. Retrieved March 25, 2012.

comic-con.org

"Mike Friedrich, E. Nelson Bridwell to Receive 2019 Bill Finger Award". San Diego Comic-Con International. 2019. Archived from the original on 3 July 2019.

comicbookresources.com

goodcomics.comicbookresources.com

Cronin, Brian (August 26, 2011). "Comic Book Legends Revealed #329". Comic Book Resources. Archived from the original on August 21, 2014. Since I can't find any other published reference to it that predates Bridwell's, I think it is fair to give him the credit.
Hatcher, Greg (March 7, 2008). "Bridwell Appreciation Day". Comic Book Resources. Archived from the original on February 29, 2012. Retrieved March 25, 2012.

comics.org

E. Nelson Bridwell at the Grand Comics Database
Superman from the Thirties to the Seventies at the Grand Comics Database
Batman from the Thirties to the Seventies at the Grand Comics Database
Shazam from the Forties to the Seventies at the Grand Comics Database
Limited Collectors' Edition #C–41 at the Grand Comics Database

twomorrows.com

Cooke, Jon B. "Orlando's Weird Adventures Interview with that man of mystery, the late Joe Orlando". Comic Book Artist #1. Raleigh, North Carolina: TwoMorrows Publishing. Archived from the original on June 29, 2011. Retrieved March 25, 2012. I had illustrated some of Nelson's material; he liked my art enough that when they were looking for an artist to do "The Inferior Five" - Nelson's creation - he suggested that I do it and I was happy to oblige.

utulsa.edu

lib.utulsa.edu

"McFarlin Library Through the Years". University of Tulsa. Archived from the original on September 1, 2006. Retrieved March 25, 2012.

web.archive.org

Cronin, Brian (August 26, 2011). "Comic Book Legends Revealed #329". Comic Book Resources. Archived from the original on August 21, 2014. Since I can't find any other published reference to it that predates Bridwell's, I think it is fair to give him the credit.
Stroud, Bryan D. (June 14, 2008). "Interview with Jim Shooter (Pt. 2)". The Silver Age Sage. Archived from the original on February 12, 2012. Retrieved March 25, 2012.
Cooke, Jon B. "Orlando's Weird Adventures Interview with that man of mystery, the late Joe Orlando". Comic Book Artist #1. Raleigh, North Carolina: TwoMorrows Publishing. Archived from the original on June 29, 2011. Retrieved March 25, 2012. I had illustrated some of Nelson's material; he liked my art enough that when they were looking for an artist to do "The Inferior Five" - Nelson's creation - he suggested that I do it and I was happy to oblige.
Hatcher, Greg (March 7, 2008). "Bridwell Appreciation Day". Comic Book Resources. Archived from the original on February 29, 2012. Retrieved March 25, 2012.
"McFarlin Library Through the Years". University of Tulsa. Archived from the original on September 1, 2006. Retrieved March 25, 2012.
"E. Nelson Bridwell (1931-1987) Writer/Editor, Sapulpa" (PDF). Oklahoma Cartoonists Hall of Fame. 2005. Archived from the original (PDF) on April 1, 2012. Retrieved March 25, 2012.
Bru-Hed (December 12, 2005). "New Cartoonists Hall of Fame Collection & Museum!". Comics Buyer's Guide. Iola, Wisconsin. Archived from the original on June 17, 2013. Retrieved March 25, 2012.
"Mike Friedrich, E. Nelson Bridwell to Receive 2019 Bill Finger Award". San Diego Comic-Con International. 2019. Archived from the original on 3 July 2019.

wtv-zone.com

Stroud, Bryan D. (June 14, 2008). "Interview with Jim Shooter (Pt. 2)". The Silver Age Sage. Archived from the original on February 12, 2012. Retrieved March 25, 2012.