Medical and Health search engines

Medical and Health

PubMed  — The U.S. National Library of Medicine contains over 16 million citations from MEDLINE and other life science journals going back to the 1950s. Contains links to full-text articles and external resources. Supposed to be the best damn resource for medical out there.
National Institute for Health Research Archive — http://www.nihr.ac.uk/Pages/NIHRArchive.aspx Database of ongoing or completed projects funded by the British  NHS.
National Institutes of Health — Encyclopedia of health topics. More of a kindof-deep-web resource, as Google has this indexed.
American Hospital Directory — Index of US hospital information.
Globalhealthfacts.org — Searchable world health information, by country, disease, condition, program, or demographic. Quickly lay out the conditions in a country.
Centers for Disease Control and Prevention Data and Statistics — Statistical health information according to the CDC. Not true deep web, but useful.
New England Journal of Medicine  (commercial) — A Leading medical journal with full text past issues available online. Commericial, but you can access most for free.

Law and Politics search engines

Law and Politics

THOMAS (Library of Congress) — Legislative information from the Library of Congress.
Law Library of Congress — Allegedly, the largest collection of legal materials in the world, over 2 million volumes.
Global Legal Information Network — Laws, regulations, judicial decisions, and other legal sources.
FindLaw — Free legal database, with collections of cases and codes, legal news.
Office of Postsecondary Education Security Statistics — Contains college campus crime statistics, sortable.
Bureau of Justice Statistics — http://bjs.ojp.usdoj.gov/ Legal and judicial statistics, everything from crime to law enforcement.
The Avalon Project at Yale Law School — Documents in law, history, and diplomacy.
US Congressional Documents and Debates, 1774–1873 (Library of Congress) — The historical Congressional records, bills, documents, statutes, journals, and debates from LOC.
Lobbying Database — Who spent what on firms who have spent lobbying money from 1998. The US, with the finest Congress money can buy!
Legislative Activities — Synopsis of House of Representatives’ bill summary, status, public laws, and votes.
heinonline.org  – (commercial) – Claims to be the ‘worlds largest image based database of legal documents’ . I was able to find an obtuse document on using Bayes Theorem for fact finding in a criminal case.
Project Vote Smart — Government officials and election candidates database, order by last name or ZIP code.