Triptych: Sample Databases

Library Catalogues
e.g. New York Public Library's LEO
http://leopac.nypl.org/

Newspaper Archives
e.g. LexisNexis
http://www.lexisnexis.com/

Phone Books/Directories

Collaborative websites
Collaboratively and collectively created and maintained databases,
e.g. WikiQuotes
http://www.wikiquote.org/

Inventory/Shopping Databases
e.g. amazon.com
http://amazon.com

Maps
e.g. Mapquest.com
http://Mapquest.com

Search Machines
e.g. Google
http://google.com

Membership lists
e.g. NY Members of Congress
http://www.gpoaccess.gov/cdirectory/