a b Patnaik, Subrat (April 20, 2016). "Mattel struggles as Barbie sales slip again". Reuters. Thomson Reuters . Retrieved March 21, 2022.

Lydia Deetz could share the same head mold as Vandala Doubloons, this was later confirmed by Rebecca (the designer) herself. Rochelle Goyle, Venus McFlytrap, and Rebecca Steam meet at Monster High for their first year, which ends up being one to remember. New teacher, Ms. Flapper, from Bitealy, has a secret that the three ghouls much uncover. Will they figure it out in time or will they be too late? In a collection inspired by the film “Beetlejuice,” Mattel Creations, Mattel’s e-commerce and content platform, has revealed new Monster High Skullector Dolls, launching in August on Friday the 13th. Kavilanz, Parija (February 4, 2013). "After Bratz, will this be the next 'it' doll?". CNN Money. Cable News Network . Retrieved May 21, 2022.

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a b Woods, Danianese (2019). " "Goth Barbies": A Postmodern Multiperspective Analysis of Mattel's Monster High Media". University of Southern Mississippi. p.136 . Retrieved May 18, 2022. Von Spooks, Misty (August 8, 2017). Monster Rescue. Little, Brown Books for Young Readers. ISBN 978-0316431606.

a b Bamford, Vince (July 14, 2012). "Fashion dolls rivalry takes a ghoulish turn". The Grocer . Retrieved May 19, 2022. Film-inspired accessories include the Beetlejuice doll’s carousel hat, Lydia’s camera and a miniature replica of the “Handbook for the Recently Deceased.” Nicholasi, Paul (June 11, 2010). "Mattel Launches Monster High". Dread Central . Retrieved July 1, 2014. Daneshvari, Gitty (September 2, 2014). Monster High: Ghoulfriends The Ghoul-It-Yourself Book. Little, Brown Books for Young Readers. ISBN 978-0316282222.Monster High". Mattel Creations. Mattel. May 17, 2022. Archived from the original on May 17, 2022 . Retrieved May 17, 2022. Monster High Drop Dead Diary". Abigail Harris (as Abaghoul Harris). Barnes & Noble . Retrieved November 13, 2016.

Fleming, Mike Jr. (October 21, 2015). " 'Monster High' Franchise Launch Film To Be Helmed By Ari Sandel". Deadline Hollywood. Penske Media Corporation . Retrieved March 21, 2022. This film is tied directly to the Mattel toyline that exploded in 2010 and became a billion dollar franchise.

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Connected to Generation 2 characters, this story details out how Draculaura, Frankie Stein, and Clawdeen Wolf rescue Cleo de Nile and bring her to Monster High. The Lost Movie". Monster High. Mattel. Archived from the original on December 21, 2021 . Retrieved November 26, 2016– via YouTube. Oddo, Marco Vito (July 13, 2022). "Monster High Animated Series Adds Tony Revolori to Voice Cast". Collider . Retrieved July 19, 2022. Bias, William (July 28, 2014). "Here's Why Mattel Hit a Bump in the Road". The Motley Fool . Retrieved March 21, 2022. Browne, Wendy (June 1, 2015). "Sorry Barbie But Ghouls Really Do Rule". Women Write About Comics . Retrieved May 18, 2022.