Columbia World of Quotations
Search 65,000 essential quotations by keyword, author, and subject. Maintained by Columbia University. Quotations Page
Search this database of over 15,000 quotations by keyword, author, or subject. Bartlett's Familiar Quotations
The 10th edition (1919) of a standard reference book featuring over 11,000 quotations with indexes and full-text searching. Simpson's Contemporary Quotations
Search over 10,000 of the "most notable" quotes from 1950-1988. Quoteland.com
Find quotations by topic, author, or keyword searching. When all else fails, ask a discussion group of literary scholars.