Bartleby.com, http://www.bartleby.com/quotations/ 

Looking for that perfect quotation for a summer wedding or anniversary celebration? Try Bartleby.com, which offers 812 quotations containing the word "love." The quotations are drawn from two sources:

1. John Bartlett's Familiar Quotations (10th ed. 1919)
2. James B. Simpson's Contemporary Quotations. (1988)

Over 20,000 quotations are available and searchable by keyword.

The main page, http://www.bartleby.com/, offers additional informational and literary material, including

• the American Heritage Book of English Usage
• the American Heritage Dictionary of the English Language
• Bulfinch's The Age of Fable
• the Columbia Encyclopedia
• Emily Post's Etiquette
• Frazer's The Golden Bough
• Gray's Anatomy of the Human Body
• Inaugural Addresses of the U.S. Presidents
• the King James version of the Bible
• the Oxford Shakespeare
• Robert's Rules of Order 
• Roget's II: The New Thesaurus
• Strunk's The Elements of Style
• the World Factbook

Suggested by Ann Hemmens.