Cole's Quotables
URL: http://www2.xtdl.com/~scole/
Contact: scole@xtdl.com
Country of Origin: U.S.A
Description: Quotes collected by M. Shawn Cole

Familiar Quotations by Bartleby
URL: http://www.bartleby.com/100/
Contact: Online form
Country of Origin: U.S.A
Description: Contains over 11,000 searchable quotations compiled by John Bartlett, Columbia University and Simpsons.

QuotationsBook.com
URL: http://www.quotationsbook.com
Contact: quotationsbook@gmail.com
Country of Origin: UK
Description: A leading resource of famous quotations, one of the largest on the web.

The Quotation Page
URL: http://www.quotationspage.com/search.php3
Contact: Online form
Country of Origin: U.S.A
Description: Search for any quote using this search engine.

ThinkExist
URL: http://www.en.ThinkExist.com
Contact: ezwetsloot@thinkexist.com
Country of Origin: Spain
Description: This is a site with thousands of quotations of famous and unknown authors!