Gold

ChemGlobe: Gold - Electronic, thermal, and steric data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/79.html

ChemicalElements.com: Gold - Basic information, atomic structure, and table of isotopes.
www.chemicalelements.com/elements/au.html

EnvironmentalChemistry.com: Gold - Atomic structure, chemical and physical properties, and table of nuclides.
environmentalchemistry.com/yogi/periodic/Au.html

Gold Bulletin - The peer reviewed journal on the latest science, technology and applications of gold. It includes papers on the latest research advances, reviews, conference reports, and highlights of patents and scientific literature.
www.goldbulletin.org

It's Elemental: Gold - Basic physical and historical information.
education.jlab.org/itselemental/ele079.html

LANL: Gold - Sources, properties, uses, cost, and isotopes.
periodic.lanl.gov/elements/79.html

Lenntech: Gold - Physical data, chemical properties, health and environmental effects.
www.lenntech.com/Periodic-chart-elements/Au-en.htm

USGS Minerals Information: Gold - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
minerals.usgs.gov/minerals/pubs/commodity/gold/

Visual Elements: Gold - Image, general and physical information, source, uses, key isotopes, and ionisation energies.
www.chemsoc.org/viselements/pages/gold.html

Wikipedia: Gold - Properties of the element, including its history, applications, and characteristics.
en.wikipedia.org/wiki/Gold

World Gold Council: Science and Industry - Information about various different topics regarding gold.
www.gold.org/discover/sci_indu/

Radiochemistry of Gold - Full text of the monograph by J. F. Emery (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] <small>(May, 1961)</small>
lib-www.lanl.gov/cgi-bin/getfile?rc000062.pdf