Idea–expression distinction (English Wikipedia)

Bently, Lionel; Davis, Jennifer; Ginsburg, Jane C. (October 28, 2010). Copyright and Piracy: An Interdisciplinary Critique. Cambridge University Press. p. 190. ISBN 978-0-521-19343-6. Retrieved June 19, 2012.
Iyer, Vivek (2012). Ghalib, Gandhi & the Gita. Polyglot Publications London. p. 53. ISBN 978-0-9550628-3-4. Retrieved June 19, 2012.
Fishman, Stephen (September 7, 2011). The Copyright Handbook: What Every Writer Needs to Know. Nolo. p. 288. ISBN 978-1-4133-1617-9. Retrieved June 19, 2012.

europa.eu (Global: 68^th place; English: 117^th place)

Said, Zahr K. (2023). "Grounding the Scènes à Faire Doctrine". Houston Law Review. 61: 350.
Said, Zahr K. (2023). "Grounding the Scènes à Faire Doctrine". Houston Law Review. 61: 351.

Lydia Pallas Loren & R. Anthony Reese, Proving Infringement: Burdens of Proof in Copyright Infringement Litigation, 23:2 Lewis & Clark Law Review 621, 661-65 (2019).

quoted in Mylly, Ulla=Maija. "Harmonizing Copyright Rules for Computer Program Interface Protection" (PDF). Louisville, Kentucky: University of Louisville Louis D. Brandeis School of Law. p. 14. Archived (PDF) from the original on June 5, 2010.

Nichols v. Universal Pictures Corp., 45 F.2d 119, 121 (2nd Cir. 1930).
Peter Pan Fabrics v. Martin Weiner Corp., 274 F.2d 487, 489 (2nd Cir. 1960).
Franklin Mint Corp. v. National Wildlife Art Exchange, 575 F.2d 62, 65 (3rd Cir. 1978).
Warner Bros. Inc. v. American Broadcasting Companies, Inc., 720 F.2d 231, 241 (2nd Cir. 1983).
Mannion v. Coors Brewing Co., 377 F.Supp.2d 444, 455–61 (S.D.N.Y. 2005).

quoted in Mylly, Ulla=Maija. "Harmonizing Copyright Rules for Computer Program Interface Protection" (PDF). Louisville, Kentucky: University of Louisville Louis D. Brandeis School of Law. p. 14. Archived (PDF) from the original on June 5, 2010.
Morrisey v. Proctor & Gamble 379 F.2d 675 (1st Cir. 1967)