FreeCell (English Wikipedia)

Gardner, Martin (June 1968). "Mathematical Games". Scientific American. 218 (6): 114. Bibcode:1968SciAm.218f.112G. doi:10.1038/scientificamerican0668-112.

books.google.com (Global: 3^rd place; English: 3^rd place)

Leonhard, Woody (2009). Windows 7 All-in-One for Dummies. John Wiley & Sons. p. 293. ISBN 9780470487631.

doi.org (Global: 2^nd place; English: 2^nd place)

Gardner, Martin (June 1968). "Mathematical Games". Scientific American. 218 (6): 114. Bibcode:1968SciAm.218f.112G. doi:10.1038/scientificamerican0668-112.
Elyasaf, Achiya; Hauptman, Ami; Sipper, Moshe (December 2012). "Evolutionary Design of FreeCell Solvers" (PDF). IEEE Transactions on Computational Intelligence and AI in Games. 4 (4): 270–281. doi:10.1109/TCIAIG.2012.2210423. S2CID 801608. Archived (PDF) from the original on 2015-10-20.
Helmert, Malte (March 2003). "Complexity results for standard benchmark domains in planning". Artificial Intelligence. 143 (2): 219–262. doi:10.1016/S0004-3702(02)00364-8.

freecell.net (Global: low place; English: low place)

Cronin, Dennis (May 4, 2000). "Interview with Paul Alfille". Freecell.net. Retrieved March 4, 2011.

genetic-programming.org (Global: low place; English: low place)

Elyasaf, Achiya; Hauptman, Ami; Sipper, Moshe (December 2012). "Evolutionary Design of FreeCell Solvers" (PDF). IEEE Transactions on Computational Intelligence and AI in Games. 4 (4): 270–281. doi:10.1109/TCIAIG.2012.2210423. S2CID 801608. Archived (PDF) from the original on 2015-10-20.

nytimes.com (Global: 7^th place; English: 7^th place)

query.nytimes.com

Kaye, Ellen (October 17, 2002). "One Down, 31,999 to Go: Surrendering to a Solitary Obsession". New York Times.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Elyasaf, Achiya; Hauptman, Ami; Sipper, Moshe (December 2012). "Evolutionary Design of FreeCell Solvers" (PDF). IEEE Transactions on Computational Intelligence and AI in Games. 4 (4): 270–281. doi:10.1109/TCIAIG.2012.2210423. S2CID 801608. Archived (PDF) from the original on 2015-10-20.

shlomifish.org (Global: low place; English: low place)

fc-solve.shlomifish.org

The solvability statistics of the Freecell Pro 4-Freecells Deals

solitairelaboratory.com (Global: low place; English: low place)

Keller, Michael (August 4, 2015). "FreeCell -- Frequently Asked Questions (FAQ)". Solitaire Laboratory. Retrieved February 7, 2017.

sourceforge.net (Global: 1,842^nd place; English: 1,520^th place)

pysolfc.sourceforge.net

"PySol - Rules for Freecell". PySolFC documentation. Retrieved 3 February 2018.

stackexchange.com (Global: 4,114^th place; English: 3,027^th place)

boardgames.stackexchange.com

"solitaire - FreeCell: How many cards can be moved at once?". Board & Card Games Stack Exchange.

web.archive.org (Global: 1^st place; English: 1^st place)

Elyasaf, Achiya; Hauptman, Ami; Sipper, Moshe (December 2012). "Evolutionary Design of FreeCell Solvers" (PDF). IEEE Transactions on Computational Intelligence and AI in Games. 4 (4): 270–281. doi:10.1109/TCIAIG.2012.2210423. S2CID 801608. Archived (PDF) from the original on 2015-10-20.

FreeCell (English Wikipedia)

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genetic-programming.org (Global: low place; English: low place)

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semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

shlomifish.org (Global: low place; English: low place)

fc-solve.shlomifish.org

solitairelaboratory.com (Global: low place; English: low place)

sourceforge.net (Global: 1,842nd place; English: 1,520th place)

pysolfc.sourceforge.net

stackexchange.com (Global: 4,114th place; English: 3,027th place)

boardgames.stackexchange.com

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adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

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doi.org (Global: 2^nd place; English: 2^nd place)

nytimes.com (Global: 7^th place; English: 7^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

sourceforge.net (Global: 1,842^nd place; English: 1,520^th place)

stackexchange.com (Global: 4,114^th place; English: 3,027^th place)

web.archive.org (Global: 1^st place; English: 1^st place)