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«Environment & Nature News - Bugs grow gold that looks like coral - 28/01/2004». [Consulta: 22 juliol 2006]. Investigació doctoral de Frank Reith de la Universitat Nacional d'Austràlia, publicada el 2004.

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«Gold starts 2006 well, but this is not a 25-year high!|Financial Planning». Ameinfo.com. [Consulta: 5 abril 2009].

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«A Case for the World's First Coin: The Lydian Lion». [Consulta: 24 juliol 2009].

bbc.co.uk (Global: 11^th place; Catalan: 21^st place)

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«Gold hits yet another record high». BBC News, 02-12-2009 [Consulta: 6 desembre 2009].

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Mansa Musa Arxivat 2006-05-24 a Wayback Machine. - Pàgines de la Història Negre

bloomberg.com (Global: 118^th place; Catalan: 273^rd place)

«Gold Extends Biggest Decline in 18 Months After CME Raises Futures Margins». www.bloomberg.com, 23 agost 2011. [Consulta: 30 agost 2011].

books.google.cat (Global: 516^th place; Catalan: 3^rd place)

Krech, Shepard; McNeill, John Robert and Merchant, Carolyn. Encyclopedia of world environmental history, Volume 3. Routledge, 2004, p. 597. ISBN 0415937345.

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Schmidbaur, Hubert; Cronje, Stephanie; Djordjevic, Bratislav; Schuster, Oliver «Understanding gold chemistry through relativity» (en anglès). Chemical Physics, 311, 1–2, 2005, p. 151–161. DOI: 10.1016/j.chemphys.2004.09.023.
Audi, G. «The NUBASE Evaluation of Nuclear and Decay Properties». Nuclear Physics A. Atomic Mass Data Center, 729, 2003, p. 3–128. DOI: 10.1016/j.nuclphysa.2003.11.001.
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Hubert Schmidbaur «Ludwig Mond Lecture. High-carat gold compounds». Chem. Soc. Rev., 24, 1995, p. 391–400. DOI: 10.1039/CS9952400391.
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Wu, Ming-Ling; Tsai, Wei-Jen; Ger, Jiin; Deng, Jou-Fang; Tsay, Shyh-Haw; Yang, Mo-Hsiung. «Cholestatic Hepatitis Caused by Acute Gold Potassium Cyanide Poisoning». Clinical toxicology, 39, 7, 2001, p. 739–743. DOI: 10.1081/CLT-100108516.

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«World Gold Council». Arxivat de l'original el 2008-05-11. [Consulta: 4 juliol 2008].

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Hubert Schmidbaur «The Aurophilicity Phenomenon: A Decade of Experimental Findings, Theoretical Concepts and Emerging Application». Gold Bulletin, 33, 1, 2000, p. 3–10.

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kitco.com (Global: low place; Catalan: low place)

Kitco.com Arxivat 2018-07-14 a Wayback Machine., Gold – London PM Fix 1975 – present (GIF), Consultat 2006-07-22.

kodak.com (Global: 7,874^th place; Catalan: 4,493^rd place)

Kodak (2006) Toning black-and-white materials Arxivat 2016-08-17 a Wayback Machine.. Technical Data/Reference sheet G-23, maig 2006.

lbma.org.uk (Global: low place; Catalan: low place)

«LBMA statistics». Lbma.org.uk, 31-12-2008. Arxivat de l'original el 2009-02-10. [Consulta: 5 abril 2009].

marketwatch.com (Global: 1,878^th place; Catalan: 2,497^th place)

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Seidel, S.; Seppelt, K. «Xenon as a Complex Ligand: The Tetra Xenono Gold(II) Cation in AuXe₄²⁺(Sb₂F₁₁⁻)₂». Science, 290, 5489, 2000, p. 117–118. DOI: 10.1126/science.290.5489.117. PMID: 11021792.

nytimes.com (Global: 7^th place; Catalan: 14^th place)

«Swiss Narrowly Vote to Drop Gold Standard». The New York Times, 19-04-1999.

riaa.com (Global: 153^rd place; Catalan: 606^th place)

RIAA - Gold & Platinum (anglès). Consultat el 17 de setembre del 2009.

sierranevadavirtualmuseum.com (Global: low place; Catalan: low place)

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Super cars.net. 1994 McLaren F1

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«General Electric Contact Materials». Electrical Contact Catalog (Material Catalog). Tanaka Precious Metals, 2005. Arxivat de l'original el 2007-01-01. [Consulta: 21 febrer 2007].

timesonline.co.uk (Global: 437^th place; Catalan: 381^st place)

"Goldfinger Brown's £2 billion blunder in the bullion market" Arxivat 2008-05-11 a Wayback Machine.. The Times (London), 15 abril 2007.

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Hitzer, Eckhard; Perwass, Christian. «THE HIDDEN BEAUTY OF GOLD», 22-11-2006. Arxivat de l'original el 2012-01-27. [Consulta: 10 maig 2011].

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^{[Enllaç no actiu]}«Gold Jewellery Alloys > Utilise Gold. Scientific, industrial and medical applications, products,suppliers from the World Gold Council». Utilisegold.com, 20-01-2000. Arxivat de l'original el 2008-06-19. [Consulta: 5 abril 2009].

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^{[Enllaç no actiu]}«Gold Jewellery Alloys > Utilise Gold. Scientific, industrial and medical applications, products,suppliers from the World Gold Council». Utilisegold.com, 20-01-2000. Arxivat de l'original el 2008-06-19. [Consulta: 5 abril 2009].
Hitzer, Eckhard; Perwass, Christian. «THE HIDDEN BEAUTY OF GOLD», 22-11-2006. Arxivat de l'original el 2012-01-27. [Consulta: 10 maig 2011].
«World Gold Council > value > research & statistics > statistics > supply and demand statistics». Arxivat de l'original el 2006-07-19. [Consulta: 22 juliol 2006].
Kitco.com Arxivat 2018-07-14 a Wayback Machine., Gold – London PM Fix 1975 – present (GIF), Consultat 2006-07-22.
"Goldfinger Brown's £2 billion blunder in the bullion market" Arxivat 2008-05-11 a Wayback Machine.. The Times (London), 15 abril 2007.
«LBMA statistics». Lbma.org.uk, 31-12-2008. Arxivat de l'original el 2009-02-10. [Consulta: 5 abril 2009].
Kodak (2006) Toning black-and-white materials Arxivat 2016-08-17 a Wayback Machine.. Technical Data/Reference sheet G-23, maig 2006.
«General Electric Contact Materials». Electrical Contact Catalog (Material Catalog). Tanaka Precious Metals, 2005. Arxivat de l'original el 2007-01-01. [Consulta: 21 febrer 2007].
Mansa Musa Arxivat 2006-05-24 a Wayback Machine. - Pàgines de la Història Negre
«Goldsheet – yearly and cumulative world gold production charts». Arxivat de l'original el 2006-06-12. [Consulta: 22 juliol 2006].
Moore, Mark A. «Reed Gold Mine State Historic Site». North Carolina Office of Archives and History, 2006. Arxivat de l'original el 2008-12-19. [Consulta: 13 desembre 2008].
S Dierks. «Gold MSDS». Electronic Space Products International, Maig 2005. Arxivat de l'original el 2006-11-10. [Consulta: 6 setembre 2009].

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«PRECIOUS METALS: Comex Gold Hits All-Time High». The Wall Street Journal, 11 maig 2010 [Consulta: 4 agost 2010].^{[Enllaç no actiu]}

Or (Catalan Wikipedia)

abc.net.au (Global: 120th place; Catalan: 333rd place)

ameinfo.com (Global: low place; Catalan: 7,228th place)

ancients.info (Global: low place; Catalan: low place)

rg.ancients.info

bbc.co.uk (Global: 11th place; Catalan: 21st place)

news.bbc.co.uk

blackhistorypages.net (Global: low place; Catalan: low place)

bloomberg.com (Global: 118th place; Catalan: 273rd place)

books.google.cat (Global: 516th place; Catalan: 3rd place)

bu.edu (Global: 2,348th place; Catalan: 2,319th place)

bullionvault.com (Global: low place; Catalan: low place)

goldnews.bullionvault.com

commodityonline.com (Global: low place; Catalan: low place)

doi.org (Global: 2nd place; Catalan: 4th place)

dx.doi.org

enciclopedia.cat (Global: 633rd place; Catalan: 8th place)

espi-metals.com (Global: low place; Catalan: low place)

fnal.gov (Global: 6,350th place; Catalan: 1,740th place)

www-d0.fnal.gov

gold.org (Global: low place; Catalan: low place)

invest.gold.org

gold.org

goldbulletin.org (Global: low place; Catalan: low place)

goldsheetlinks.com (Global: low place; Catalan: low place)

kitco.com (Global: low place; Catalan: low place)

kodak.com (Global: 7,874th place; Catalan: 4,493rd place)

lbma.org.uk (Global: low place; Catalan: low place)

marketwatch.com (Global: 1,878th place; Catalan: 2,497th place)

nakedcapitalism.com (Global: low place; Catalan: low place)

nchistoricsites.org (Global: low place; Catalan: low place)

news.yahoo.com (Global: 183rd place; Catalan: 561st place)

uk.news.yahoo.com

nih.gov (Global: 5th place; Catalan: 7th place)

ncbi.nlm.nih.gov

nytimes.com (Global: 7th place; Catalan: 14th place)

riaa.com (Global: 153rd place; Catalan: 606th place)

sierranevadavirtualmuseum.com (Global: low place; Catalan: low place)

supercars.net (Global: 7,803rd place; Catalan: low place)

tanaka-precious.com (Global: low place; Catalan: low place)

timesonline.co.uk (Global: 437th place; Catalan: 381st place)

u-fukui.ac.jp (Global: low place; Catalan: low place)

sinai.apphy.u-fukui.ac.jp

ucr.edu (Global: 1,400th place; Catalan: 1,996th place)

math.ucr.edu

utilisegold.com (Global: low place; Catalan: low place)

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

wsj.com (Global: 94th place; Catalan: 229th place)

online.wsj.com

abc.net.au (Global: 120^th place; Catalan: 333^rd place)

ameinfo.com (Global: low place; Catalan: 7,228^th place)

bbc.co.uk (Global: 11^th place; Catalan: 21^st place)

bloomberg.com (Global: 118^th place; Catalan: 273^rd place)

books.google.cat (Global: 516^th place; Catalan: 3^rd place)

bu.edu (Global: 2,348^th place; Catalan: 2,319^th place)

doi.org (Global: 2^nd place; Catalan: 4^th place)

enciclopedia.cat (Global: 633^rd place; Catalan: 8^th place)

fnal.gov (Global: 6,350^th place; Catalan: 1,740^th place)

kodak.com (Global: 7,874^th place; Catalan: 4,493^rd place)

marketwatch.com (Global: 1,878^th place; Catalan: 2,497^th place)

news.yahoo.com (Global: 183^rd place; Catalan: 561^st place)

nih.gov (Global: 5^th place; Catalan: 7^th place)

nytimes.com (Global: 7^th place; Catalan: 14^th place)

riaa.com (Global: 153^rd place; Catalan: 606^th place)

supercars.net (Global: 7,803^rd place; Catalan: low place)

timesonline.co.uk (Global: 437^th place; Catalan: 381^st place)

ucr.edu (Global: 1,400^th place; Catalan: 1,996^th place)

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

wsj.com (Global: 94^th place; Catalan: 229^th place)