http://www.marketing-consulting-company.com/free-sample-sales-letters.htm

http://www.coverlettersonline.com/sales/

http://ezinearticles.com/?Free-Sample-Sales-Letter---Birthday-Offer-For-Your-Customers&id=2992635

http://www.onehourmarketing.com/public/department58.cfm

http://www.bizine.com/salesltr.htm

http://jobsearch.about.com/od/coverlettersamples/Sample_Cover_Letters.htm

http://www.letter-samples.com/instant-sales-letter.html

http://www.articlesbase.com/direct-mail-articles/free-sample-sales-letter-example-of-how-to-write-a-persuasive-business-marketing-letter-849.html

http://www.sampleletters.cc/samplebusinessletters.htm

http://www.eduers.com/resume/Sales_Cover_Letter.htm