References

  1. Bossányi, Katalin. “From Five Thousand to Fifteen Millions.” [sic] Rubik’s Logic and Fantasy in Space, 1982, pp. 22–24, 41.

  2. Dalgety, James. “25th Anniversay of Erno Rubik’s Magic Cube. First Introduced to the Western World by Pentangle Puzzles in 1978.” [sic] Erno Rubik’s Magic Cube, Jan. 2003, www.puzzlemuseum.com/month/picm03/200301mcu.htm. Accessed 6 Jul. 2021.

  3. Europa 2009. “Ernő Rubik.” EUROPA, European Year of Creativity and Innovation 2009, Dec. 2008, www.create2009.europa.eu/ambassadors/profiles/erno_rubik.html. Internet Archive, web.archive.org/web/20160328175740/http://www.create2009.europa.eu/ambassadors/profiles/erno_rubik.html. Accessed 18 Jul. 2021.

  4. Evans, Pete. “Canadian Company That Owns Classic Toys Etch A Sketch and Aerobie Buys Rubik’s Cube.” CBC news, CBC/Radio Canada, 27 Oct. 2020, www.cbc.ca/news/business/spin-master-rubik-s-cube-1.5778252. Accessed 5 Jul. 2021.

  5. Ferenc Kölcsey City Library. Dunakeszin Gyártott Rubik-kockák. Kölcsey Ferenc Városi Könyvtár, 12 Aug. 2019, www.dkvk.hu/adatbazisok/anno/dunakeszin-gyartott-rubik-kockak. Accessed 18 Jul. 2021.

  6. Garrett, Kristina. “Rubik’s Cubes!” Number Theory in Budapest, 19 Jan. 2010, budapestinterim.blogspot.com/2010/01/rubiks-cubes.html. Accessed 10 Jul 2021.

  7. Hellings, Geert. “Survey of Politoys and Politechnika cubes in blue boxes.” TwistyPuzzles.com, 16 Jan. 2016, www.twistypuzzles.com/forum/viewtopic.php?f=14&t=29843#p346211. Accessed 10 Jul. 2021.

  8. Helm, Georges. “Politechnika Cube Painted.” Georges Helm’s Galleries (GHG), 21 Oct. 2008. http://www.helm.lu/gallery2/main.php?g2_itemId=11949. Accessed Nov. 9, 2022.

  9. Longrdige, Mark. “A Rubik’s Cube Chronology.” Mark Longridge’s Domain of the Cube, Specialist in Cubes, Video Games and Math, www.cubeman.org/cchrono.txt. Accessed 10 Jul 2021.

  10. Mezei, András. Magyar Kocka AVAGY Még mindig ilyen gazdagok vagyunk? Magvető Könyvkiadó, 1984.

  11. Nagy, Olivér. “Kronológia.” Magyar Rubik Kocka Rajongói Klub, www.rubikkocka.hu/pages/kronologia.htm. Internet Archive, web.archive.org/web/20110120023116/http://www.rubikkocka.hu/pages/kronologia.htm. Accessed 13 Jul. 2021.

  12. New York Times. “Ideal Toy Corp. Moving Queens Offices to Jersey.” New York Times, 14 May 1982, p. B2.

  13. Pirzer, Markus. “Brief history of the cube.” Rubik’s Zauberwürfel, www.rubiks-zauberwuerfel.de/english/home.html?geschichte.html. Accessed 6 Jul. 2021.

  14. Politoys Kft. “History.” Politoys, www.politoys.com/politoys.php?link=history.php. Internet Archive, web.archive.org/web/20041215231550/http://www.politoys.com:80/english/politoys.php?link=history.php. Accessed 4 Jul. 2021.

  15. Rubik, Ernő. Cubed: the Puzzle of Us All. Flatiron Books, 2021.

  16. Rubik, Ernő, Tamás Varga, Gerzson Kéri, György Marx, and Tamás Vekerdy. Rubik’s Cubic Compendium. Oxford University Press, 1987.

  17. Singmaster, David. Notes on Rubik’s “Magic Cube.” David Singmaster, Ltd., 1978.

  18. Singmaster, David. “Erno Rubik and his Cube”, Cubic Circular, Issue 1, pp. 3–4, Autumn 1981.

  19. Singmaster, David. “News”, Cubic Circular, Issue 2, pp. 3, Spring 1982.

  20. United States Court of Appeals, Fourth Circuit. CBS, Inc. v. Logical Games, Inc. 1983.

  21. United States International Trade Commission. In the Matter of Certain Cube Puzzles: Investigation No. 337-TA-112, 1983.

  22. Vecsés Hirek. “Ecserről indult világhódító útjára a Rubik-kocka.” Vecsés Hirek, 28 Apr. 2014, www.vecseshirek.hu/2014/04/28/ecserrol-indult-vilaghodito-utjara-a-rubik-kocka. Accessed 18 Jul 2021.

  23. Young, Brian. “Exclusive New Puzzle Designs for IPP.” Mr Puzzle, www.mrpuzzle.com.au/product-category/exclusive-ipp-puzzles. Accessed 10 Jul. 2021.

  24. Zimmerman, Mark. “anecdotes from visit to Logical Games Inc.” MIT Cube Lovers, 25 Aug. 1980, www.math.rwth-aachen.de/~Martin.Schoenert/Cube-Lovers/Mark_Zimmermann__anecdotes_from_visit_to_Logical_Games_Inc..html. Accessed 13 Jul. 2021.