http://www.4hb.com/letters/index.html

http://www.businessnation.com/library/forms/

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http://www.lettersandforms.com/free-letters.html

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http://www.businessnation.com/library/business_letters/index.html

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http://www.getfreelegalforms.com/597-business-letters/

http://www.quazell.com/BusinessLetters/default.htm

http://www.bizoffice.com/business_forms/

http://www.clickandinc.com/business_forms_and_sales_letters.asp

http://www.docstoc.com/search/free-business-letters/

http://www.free-legal-forms-letters.com/index.htm