Fibonacci (English Wikipedia)

Smith, David Eugene; Karpinski, Louis Charles (1911). The Hindu–Arabic Numerals. Boston and London: Ginn and Company. p. 128. Archived from the original on 2023-03-13. Retrieved 2016-03-02..
Livio, Mario (2003) [2002]. The Golden Ratio: The Story of Phi, the World's Most Astonishing Number (First trade paperback ed.). New York City: Broadway Books. pp. 92–93. ISBN 0-7679-0816-3. Archived from the original on 2023-03-13. Retrieved 2018-12-19.
Pask, Colin (7 July 2015). Great Calculations: A Surprising Look Behind 50 Scientific Inquiries. Prometheus Books. p. 35. ISBN 978-1-63388-029-0. Archived from the original on 13 March 2023. Retrieved 19 January 2020.
Glick, Thomas F.; Livesey, Steven; Wallis, Faith (2014). Medieval Science, Technology, and Medicine: An Encyclopedia. Routledge. p. 172. ISBN 978-1-135-45932-1. Archived from the original on 2023-03-13. Retrieved 2018-12-07.
Koshy, Thomas (2011). Fibonacci and Lucas Numbers with Applications. John Wiley & Sons. p. 3. ISBN 9781118031315. Archived from the original on 2023-03-13. Retrieved 2015-12-12..
Knuth, Donald (2006). The Art of Computer Programming: Generating All Trees – History of Combinatorial Generation; Volume 4. Addison-Wesley. p. 50. ISBN 978-0-321-33570-8. Archived from the original on 2023-03-13. Retrieved 2020-11-11.
Pisanus, Leonardus; Boncompagni, Baldassarre (1 January 1857). Scritti: Il Liber Abbaci. Tip. delle Scienze Fisiche e Matematiche. p. 231. Archived from the original on 13 March 2023. Retrieved 20 December 2018 – via Google Books.

britannica.com (Global: 40^th place; English: 58^th place)

"Leonardo Pisano: 'Contributions to number theory'". Encyclopædia Britannica. 2006. p. 3. Archived from the original on 2008-06-17. Retrieved 18 September 2006.

canada.ca (Global: 1,712^th place; English: 1,063^rd place)

nrc-publications.canada.ca

Drozdyuk, Andriy; Drozdyuk, Denys (2010). Fibonacci, his numbers and his rabbits. Toronto: Choven Pub. p. 18. ISBN 978-0-9866300-1-9. OCLC 813281753. Archived from the original on 2020-02-17. Retrieved 2020-01-26.

collinsdictionary.com (Global: 1,053^rd place; English: 701^st place)

"Fibonacci series" Archived 2019-06-23 at the Wayback Machine and "Fibonacci sequence". Collins English Dictionary. HarperCollins. Archived from the original on 12 June 2012. Retrieved 23 June 2019.

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

Singh, Pamanand (1985). "The so-called fibonacci numbers in ancient and medieval India". Historia Mathematica. 12 (3): 229–244. doi:10.1016/0315-0860(85)90021-7.

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

"Fibonacci's Statue in Pisa". Epsilones.com. Archived from the original on 2014-02-22. Retrieved 2010-08-02.

evansville.edu (Global: low place; English: low place)

faculty.evansville.edu

Horadam, A. F. (1975). "Eight hundred years young". The Australian Mathematics Teacher. First footnote. 31: 123–134. Archived from the original on 2008-12-19. Retrieved 2025-07-15 – via faculty.evansville.edu.

g4g4.com (Global: low place; English: low place)

Singmaster, David (18 March 2004). Sources in Recreational Mathematics: An Annotated Bibliography. Archived from the original (MS Word document) on 2004-07-22.

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

"Fibonacci Numbers". halexandria.org. Archived from the original on 2019-10-13. Retrieved 2015-04-29.

lexico.com (Global: 1,242^nd place; English: 853^rd place)

"Fibonacci, Leonardo". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 2021-05-12.

maa.org (Global: 3,479^th place; English: 2,444^th place)

Devlin, Keith (2010). "The Man of Numbers: In Search of Leonardo Fibonacci" (PDF). maa.org. Mathematical Association of America. pp. 21–28. Archived (PDF) from the original on 2015-09-07. Retrieved 2018-12-21.

math.ca (Global: low place; English: low place)

fq.math.ca

Grimm, R. E. (February 1973). "The Autobiography of Leonardo Pisano" (PDF). Fibonacci Quarterly. 11 (1): 99–104 – via fq.math.ca.

merriam-webster.com (Global: 209^th place; English: 191^st place)

"Fibonacci number". Merriam-Webster.com Dictionary. Merriam-Webster. Retrieved 23 June 2019.

npr.org (Global: 92^nd place; English: 72^nd place)

"Fibonacci: The Man Behind The Math". Weekend Edition. NPR. 2011-07-16. Archived from the original on 2011-07-16. Retrieved 2015-08-29.

oeis.org (Global: 742^nd place; English: 538^th place)

Sloane, N. J. A. (ed.). "Sequence A000045 (Fibonacci Numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

scientificamerican.com (Global: 896^th place; English: 674^th place)

Devlin, Keith. "The Man of Numbers: Fibonacci's Arithmetic Revolution [Excerpt]". Scientific American. Archived from the original on 2014-06-18. Retrieved 2015-08-29.

sju.edu (Global: low place; English: low place)

Hall, Rachel W. Math for poets and drummers Archived 2012-02-12 at the Wayback Machine. Math Horizons 15 (2008) 10–11.

st-and.ac.uk (Global: 3,503^rd place; English: 3,612^th place)

www-history.mcs.st-and.ac.uk

MacTutor, R. "Leonardo Pisano Fibonacci". www-history.mcs.st-and.ac.uk. Archived from the original on 2019-10-28. Retrieved 2018-12-22.

theguardian.com (Global: 12^th place; English: 11^th place)

Devlin, Keith (7 November 2002). "A man to count on". The Guardian. Archived from the original on 17 September 2016. Retrieved 7 June 2016.

unina.it (Global: 9,300^th place; English: low place)

rmoa.unina.it

Germano, G. "New editorial perspectives in Fibonacci's Liber abaci" (PDF). Reti medievali rivista. 14 (2): 157–173. Archived from the original (PDF) on 2021-07-09.

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

"Fibonacci's Statue in Pisa". Epsilones.com. Archived from the original on 2014-02-22. Retrieved 2010-08-02.
Smith, David Eugene; Karpinski, Louis Charles (1911). The Hindu–Arabic Numerals. Boston and London: Ginn and Company. p. 128. Archived from the original on 2023-03-13. Retrieved 2016-03-02..
MacTutor, R. "Leonardo Pisano Fibonacci". www-history.mcs.st-and.ac.uk. Archived from the original on 2019-10-28. Retrieved 2018-12-22.
"Fibonacci, Leonardo". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 2021-05-12.
"Fibonacci series" Archived 2019-06-23 at the Wayback Machine and "Fibonacci sequence". Collins English Dictionary. HarperCollins. Archived from the original on 12 June 2012. Retrieved 23 June 2019.
Livio, Mario (2003) [2002]. The Golden Ratio: The Story of Phi, the World's Most Astonishing Number (First trade paperback ed.). New York City: Broadway Books. pp. 92–93. ISBN 0-7679-0816-3. Archived from the original on 2023-03-13. Retrieved 2018-12-19.
Pask, Colin (7 July 2015). Great Calculations: A Surprising Look Behind 50 Scientific Inquiries. Prometheus Books. p. 35. ISBN 978-1-63388-029-0. Archived from the original on 13 March 2023. Retrieved 19 January 2020.
Drozdyuk, Andriy; Drozdyuk, Denys (2010). Fibonacci, his numbers and his rabbits. Toronto: Choven Pub. p. 18. ISBN 978-0-9866300-1-9. OCLC 813281753. Archived from the original on 2020-02-17. Retrieved 2020-01-26.
"Fibonacci Numbers". halexandria.org. Archived from the original on 2019-10-13. Retrieved 2015-04-29.
"Leonardo Pisano: 'Contributions to number theory'". Encyclopædia Britannica. 2006. p. 3. Archived from the original on 2008-06-17. Retrieved 18 September 2006.
Germano, G. "New editorial perspectives in Fibonacci's Liber abaci" (PDF). Reti medievali rivista. 14 (2): 157–173. Archived from the original (PDF) on 2021-07-09.
Glick, Thomas F.; Livesey, Steven; Wallis, Faith (2014). Medieval Science, Technology, and Medicine: An Encyclopedia. Routledge. p. 172. ISBN 978-1-135-45932-1. Archived from the original on 2023-03-13. Retrieved 2018-12-07.
Singmaster, David (18 March 2004). Sources in Recreational Mathematics: An Annotated Bibliography. Archived from the original (MS Word document) on 2004-07-22.
Horadam, A. F. (1975). "Eight hundred years young". The Australian Mathematics Teacher. First footnote. 31: 123–134. Archived from the original on 2008-12-19. Retrieved 2025-07-15 – via faculty.evansville.edu.
Devlin, Keith (7 November 2002). "A man to count on". The Guardian. Archived from the original on 17 September 2016. Retrieved 7 June 2016.
Koshy, Thomas (2011). Fibonacci and Lucas Numbers with Applications. John Wiley & Sons. p. 3. ISBN 9781118031315. Archived from the original on 2023-03-13. Retrieved 2015-12-12..
"Fibonacci: The Man Behind The Math". Weekend Edition. NPR. 2011-07-16. Archived from the original on 2011-07-16. Retrieved 2015-08-29.
Devlin, Keith. "The Man of Numbers: Fibonacci's Arithmetic Revolution [Excerpt]". Scientific American. Archived from the original on 2014-06-18. Retrieved 2015-08-29.
Gordon, John Steele. "The Man Behind Modern Math". Archived from the original on 2015-08-23. Retrieved 2015-08-28.
Knuth, Donald (2006). The Art of Computer Programming: Generating All Trees – History of Combinatorial Generation; Volume 4. Addison-Wesley. p. 50. ISBN 978-0-321-33570-8. Archived from the original on 2023-03-13. Retrieved 2020-11-11.
Hall, Rachel W. Math for poets and drummers Archived 2012-02-12 at the Wayback Machine. Math Horizons 15 (2008) 10–11.
Pisanus, Leonardus; Boncompagni, Baldassarre (1 January 1857). Scritti: Il Liber Abbaci. Tip. delle Scienze Fisiche e Matematiche. p. 231. Archived from the original on 13 March 2023. Retrieved 20 December 2018 – via Google Books.
Devlin, Keith (2010). "The Man of Numbers: In Search of Leonardo Fibonacci" (PDF). maa.org. Mathematical Association of America. pp. 21–28. Archived (PDF) from the original on 2015-09-07. Retrieved 2018-12-21.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Drozdyuk, Andriy; Drozdyuk, Denys (2010). Fibonacci, his numbers and his rabbits. Toronto: Choven Pub. p. 18. ISBN 978-0-9866300-1-9. OCLC 813281753. Archived from the original on 2020-02-17. Retrieved 2020-01-26.
Singh, Parmanand (1986). "Acharya Hemachandra and the (so called) Fibonacci Numbers". Math. 20 (1). Ed. Siwan: 28–30. ISSN 0047-6269.

Fibonacci (English Wikipedia)

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barrons.com (Global: 2,737^th place; English: 1,700^th place)

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

britannica.com (Global: 40^th place; English: 58^th place)

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lexico.com (Global: 1,242^nd place; English: 853^rd place)

maa.org (Global: 3,479^th place; English: 2,444^th place)

merriam-webster.com (Global: 209^th place; English: 191^st place)

npr.org (Global: 92^nd place; English: 72^nd place)

oeis.org (Global: 742^nd place; English: 538^th place)

scientificamerican.com (Global: 896^th place; English: 674^th place)

st-and.ac.uk (Global: 3,503^rd place; English: 3,612^th place)

theguardian.com (Global: 12^th place; English: 11^th place)

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