Flo Steinberg (English Wikipedia)

Stewart, Bhob (2016). The Life and Legend of Wallace Wood: Volume 1. Fantagraphics. p. 218. ISBN 978-1606998151.
Cooke, Jon B.; Roach, David A., eds. (2001). The Warren Companion. Raleigh, North Carolina: TwoMorrows Publishing. p. 136. {{cite book}}: |first2= has generic name (help)CS1 maint: multiple names: authors list (link)

comics.org

Per What If (Marvel, 1977 series) #11 at the Grand Comics Database: "Inks: Mike Royer; Bill Wray; Scott Shaw (many secondary figures and background); Dave Stevens (many secondary figures and backgrounds)"

comicsbulletin.com

Brevoort, Tom (July 30, 2002). "What If #11 (Oct. 1978)". Brevoort's History of Comics (column), ComicsBulletin.com. Archived from the original on August 7, 2011. Retrieved September 14, 2011.

cosmiccomix.com

Jones, Ken (February 15, 1986). "(review)". Amazing Heroes. No. 89. Cited in Dunchak, Lee. "Buried Treasures of the Month". The Back Issue Bin (column), CosmicComix.con. Archived from the original on October 29, 2007.

enjolrasworld.com

Arndt, Richard J. (August 20, 2007). "Big Apple Comix". (entry), The Early Independents. Archived from the original on July 16, 2011.

humistonfuneralhome.com

Florence "Flo" Steinberg, H.B. Humiston Funeral Home website (archive copy, July 10, 2018).

marvel.com

news.marvel.com

Morse, Ben (July 23, 2017). "Marvel Mourns the Loss of Flo Steinberg". Marvel Comics. Archived from the original on July 23, 2017. Retrieved July 23, 2017.

newsarama.com

Hama, Larry, via Smith, Zack (July 23, 2017). "Marvel Silver Age Legend & Indy Comics Pioneer 'Fabulous' Flo Steinberg Has Passed Away". Newsarama.com. Retrieved March 17, 2019.

nydailynews.com

DeSantis, Rachel (July 23, 2017). "'Fabulous Flo' Steinberg of Marvel comics fame has died". Daily News. New York City. Archived from the original on July 23, 2017. Retrieved July 23, 2017. She was 78.

reocities.com

Green, Robin (September 16, 1971). "Face Front! Clap Your Hands, You're on the Winning Team!". Rolling Stone. No. 91. via fan site Green Skin's Grab-Bag. Archived from the original on October 7, 2010. Retrieved September 14, 2011.

themarysue.com

"Comics Legend Flo Steinberg Has Passed Away". The Mary Sue. 2017-07-23. Retrieved 2021-06-08.

timely-atlas-comics.blogspot.com

Vassallo, Michael J. (July 28, 2017). ""Fabulous" Flo Steinberg (1939-2017)". Timely–Atlas–Comics. Retrieved July 28, 2017.

twomorrows.com

"'Writing Comics Turned Out to Be What I Really Wanted to Do with My Life': Roy Thomas Talks About Writing — and Editing — for Marvel During the 1970s" (PDF). Alter Ego. Vol. 3, no. 70. July 2007. p. 83. Archived (PDF) from the original on December 24, 2010. Retrieved September 14, 2011. Flo Steinberg quit in the late '60s because she couldn't get a $5 raise, because Goodman felt secretarial positions paid a certain salary and not a penny over that."

web.archive.org

Florence "Flo" Steinberg, H.B. Humiston Funeral Home website (archive copy, July 10, 2018).
DeSantis, Rachel (July 23, 2017). "'Fabulous Flo' Steinberg of Marvel comics fame has died". Daily News. New York City. Archived from the original on July 23, 2017. Retrieved July 23, 2017. She was 78.
Morse, Ben (July 23, 2017). "Marvel Mourns the Loss of Flo Steinberg". Marvel Comics. Archived from the original on July 23, 2017. Retrieved July 23, 2017.
"Jim Mooney Interview". Adelaide Comics and Books. Archived from the original on July 17, 2011. Retrieved September 14, 2011.
Green, Robin (September 16, 1971). "Face Front! Clap Your Hands, You're on the Winning Team!". Rolling Stone. No. 91. via fan site Green Skin's Grab-Bag. Archived from the original on October 7, 2010. Retrieved September 14, 2011.
"'Writing Comics Turned Out to Be What I Really Wanted to Do with My Life': Roy Thomas Talks About Writing — and Editing — for Marvel During the 1970s" (PDF). Alter Ego. Vol. 3, no. 70. July 2007. p. 83. Archived (PDF) from the original on December 24, 2010. Retrieved September 14, 2011. Flo Steinberg quit in the late '60s because she couldn't get a $5 raise, because Goodman felt secretarial positions paid a certain salary and not a penny over that."
Arndt, Richard J. (August 20, 2007). "Big Apple Comix". (entry), The Early Independents. Archived from the original on July 16, 2011.
Jones, Ken (February 15, 1986). "(review)". Amazing Heroes. No. 89. Cited in Dunchak, Lee. "Buried Treasures of the Month". The Back Issue Bin (column), CosmicComix.con. Archived from the original on October 29, 2007.
Penagos, Ryan, Vice President and Executive Editor, Marvel Digital Media [@AgentM] (July 23, 2017). "Flo worked with Stan, Jack, Steve and..." (Tweet). Archived from the original on July 23, 2017. Retrieved July 23, 2017 – via Twitter. {{cite web}}: |first1= has generic name (help)CS1 maint: multiple names: authors list (link) "And she was still coming in to proofread recently."
Brevoort, Tom (July 30, 2002). "What If #11 (Oct. 1978)". Brevoort's History of Comics (column), ComicsBulletin.com. Archived from the original on August 7, 2011. Retrieved September 14, 2011.

x.com

Penagos, Ryan, Vice President and Executive Editor, Marvel Digital Media [@AgentM] (July 23, 2017). "Flo worked with Stan, Jack, Steve and..." (Tweet). Archived from the original on July 23, 2017. Retrieved July 23, 2017 – via Twitter. {{cite web}}: |first1= has generic name (help)CS1 maint: multiple names: authors list (link) "And she was still coming in to proofread recently."