Triple Nine Society (English Wikipedia)

Haring, Bruce (12 October 2019). "Robert Forster Dies". Deadline Hollywood. Archived from the original on October 12, 2019. Retrieved February 18, 2024.

denverpost.com

Cox, Jack (June 20, 2005). "Smarter than 99.9% of the rest of us". The Denver Post. Retrieved September 8, 2022.

"11 Famous Mensa Members". iq-tests.org. n.d. Retrieved February 18, 2024. Better known as Hammerin' Hank, Henry Milligan was a professional boxer.…You'd never suspect that he was a member of both Mensa and the Triple Nine Society.

"Triple Nine Society". Tax Exempt Organization Search. Internal Revenue Service. Retrieved July 7, 2024.

Groeger, Lena (January 2015). "When High IQs Hang Out". Scientific American. Retrieved September 8, 2022.

"What is TNS?". Triple Nine Society. 2023. Retrieved February 18, 2024.
"Test Scores". Triple Nine Society. 2017. Retrieved September 8, 2022.
"Constitution of the Triple Nine Society". Triple Nine Society. February 18, 2024. Retrieved February 18, 2024.
"Triple Nine Society Foundation". Triple Nine Society. February 18, 2024. Retrieved February 18, 2024.
"Vidya". Triple Nine Society. 2024. Retrieved February 18, 2024.
York, Andrew (December 2016). "Bowling Balls and Binary Switches" (PDF). Vidya. Triple Nine Society. Retrieved February 18, 2024.

"Triple Nine Society". Clerk's Information System. Virginia State Corporation Commission. Retrieved July 7, 2024.

Cavna, Michael (April 18, 2011). "THE PULITZERS: Denver's Mike Keefe wins for Editorial Cartooning". The Washington Post Company. Retrieved February 2, 2013.

Haring, Bruce (12 October 2019). "Robert Forster Dies". Deadline Hollywood. Archived from the original on October 12, 2019. Retrieved February 18, 2024.

Hunt, Earl (2011). Human Intelligence. Cambridge: Cambridge University Press. p. 8. ISBN 978-0-521-70781-7. OCLC 900268273.