Familiar Quotations
www.bartleby.com/100/

LibrarySpot Quotations
www.libraryspot.com/quotations.htm
A collection of passages, phrases, and proverbs traced to their sources in ancient and modern literature

Online Dictionary of Quotations
www.quotationreference.com/

Quote Garden - Quotations on Justice
www.quotegarden.com/justice.html

Simpson's Contemporary Quotations
www.bartleby.com/63/