This is a very short list that provides the reader with an overview of thallium.

For more information on this fascinating subject simply type thallium into your search engine and begin an intellectually stimulating journey of discovery.

http://www.scienceandsociety.co.uk/results.asp?image=10311457
“…the discovery of thallium and six specimens, 1861.”

http://www.epa.gov/ncea/iris/subst/1012.htm
Thallium (I), soluble salts

http://www.epa.gov/NCEA/iris/subst/0110.htm
Thallium Oxide

http://www.epa.gov/iris/toxreviews/1012tr.pdf
TOXICOLOGICAL REVIEW of THALLIUM and COMPOUNDS
http://us.yhs4.search.yahoo.com/yhs/searchfr=altavista&itag=ody&q=TOXICOLOGICAL+REVIEW+of+THALLIUM+and+COMPOUNDS&kgs=1&kls=0

http://www.epa.gov/nrmrl/std/mtb/mwt/annual/annual2004/tmr/thalliumremoval.htm
“Thallium Removal from Mine Waste Waters”
“Thallium is more toxic to humans than mercury, cadmium, lead, copper, or zinc”

http://english.pravda.ru/news/russia/30-05-2002/43492-0/
“An unauthorized attempt to sell and purchase a virulent poisonous substance, thallium, was prevented. The FSB discovered a group of people who schemed the resale of the poisonous metal. Special search activities were held to withdraw about five kilogram of thallium. The people were detained, and a criminal case based on the RF Criminal Code article #234 was initiated. The substance is extremely dangerous. The maximum concentration limit of thallium in water makes up only 0,0001 mg/m3, and 0,0004 mg/m3 in free air. Thallium is extremely ecologically dangerous because it quickly oxidizes when exposed to air.”

http://seekingalpha.com/article/182321-thallium-more-than-just-a-poison
Thallium: More than Just a Poison 1-13-10

http://www.ewg.org/tap-water/whatsinyourwater/1085/ID/Idaho/Thallium-total/
Drinking Water Quality Report
"Thallium is a highly toxic metal that contaminates the environment..."

http://www.cascadero.com/s/NewsReleases.asp?ReportID=373611&_Type=News-Releases&_Title=Taron-Drill-Program-Discovers-Potential-Large-Deposit-of-Thallium-an-Electr
Tue Nov 24, 2009
Taron Drill Program Discovers Potential Large Deposit of Thallium an Electronic Metal

http://www.physorg.com/news136127265.html
Material may help autos turn heat into electricity July 24, 2008

http://www.houstonlakemining.com/press/pressjan1800.htm
Exploration Update on the Pakeagama Lake and Tib Lake Projects