The Haunted Mask (English Wikipedia)

Reese, Nathan; Marine, Brooke (October 27, 2014). "The Definitive Ranking of All 62 Original "Goosebumps" Books". Complex.com. Retrieved May 4, 2018.
Tharpe, Frazier; Klinkenberg, Brendan; Khal (October 27, 2017). "The 25 Best Halloween Themed TV Episodes". Complex.com. Retrieved May 4, 2018.

familywonder.com

Erica Green, Michelle. "Goosebumps - The Haunted Mask". FamilyWonder.com. Archived from the original on June 16, 2000. Retrieved February 7, 2015.

Pires, Kevin (October 8, 2013). "Celebrate R.L. Stine's 70th Birthday With His 10 Best 'Goosebumps' Books". Flavorwire. Archived from the original on February 19, 2015. Retrieved February 7, 2015.

Heffley, Lynne (March 22, 1996). "Youthful Performers Get 'Lesson' in Drama". Los Angeles Times. Retrieved February 7, 2015.

Martin, John (October 27, 1995). "Things that go 'Goosebumps' in the night". The Gadsden Times. p. D4. Retrieved February 7, 2015.

Marguiles, Lee (November 1, 1995). "World Series Viewership Slips Despite Big Week". Los Angeles Times. p. F12. Retrieved April 8, 2020 – via Newspapers.com.

Neary, Lynn (October 31, 2008). "Goosebumps And Guffaws In Stine's 'HorrorLand'". NPR. Retrieved February 7, 2015.

Lodge, Sally (July 21, 2003). "Children's Books for Fall, Sasquatch Books - Silver Dolphin". Publishers Weekly. Retrieved May 20, 2017.
Hochman Turvey, Debbie (December 17, 2001). Roback, Diane; Britton, Jason (eds.). "All-Time Bestselling Children's Books". Publishers Weekly. Retrieved May 4, 2018.

"The Haunted Mask II". RLStine.com. Retrieved May 20, 2017.
Stine, R. L. "New Haunted Mask Novel!". RLStine.com. Archived from the original on December 20, 2016. Retrieved May 20, 2017.

"GooseBumps Gold". TimJacobus.com. Archived from the original on October 2, 2017. Retrieved May 4, 2018.

Pires, Kevin (October 8, 2013). "Celebrate R.L. Stine's 70th Birthday With His 10 Best 'Goosebumps' Books". Flavorwire. Archived from the original on February 19, 2015. Retrieved February 7, 2015.
Erica Green, Michelle. "Goosebumps - The Haunted Mask". FamilyWonder.com. Archived from the original on June 16, 2000. Retrieved February 7, 2015.
Stine, R. L. "New Haunted Mask Novel!". RLStine.com. Archived from the original on December 20, 2016. Retrieved May 20, 2017.
"GooseBumps Gold". TimJacobus.com. Archived from the original on October 2, 2017. Retrieved May 4, 2018.

"Top Video Sales". Billboard. Vol. 109, no. 2. January 11, 1997. p. 39. ISSN 0006-2510.