A Collected Assortment of Possibly Useful Links

Calculators, Converters, and Similar Tools

Online Scientific Calculator: For when you don't have a calculator handy and need to do some math.
https://www.online-calculator.com/scientific-calculator/

Calculators: A collection of geometry, trigonometry, mathematical, scientific and other calculators
http://www.rkm.com.au/CALCULATORS/index.html

Online Conversion: Convert just about any units you can think of.
http://www.onlineconversion.com/

Online Apps, Converters, Calculators, Charts, and General Information: Online collection of calculators, apps, conversion charts, informational tables and converter programs.
http://www.csgnetwork.com/converters.html

Science Apps, Converters and Calculators: Extensive list of science based apps, calculators, conversion charts and converter programs. Sub page of the above.
http://www.csgnetwork.com/scienceconverters.html

Specialty Tools and References

Drake Equation: Calculator for the Drake Equation.
http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html

Hard SF Tools: Archived copy of a variety of hard science fiction tools.
http://www.geocities.com/Area51/Corridor/8611/hard-sf.htm

Antimatter Calculator: Just for fun, calculates the energy from matter/antimatter explosions.
http://www.edwardmuller.com/right17.htm

Space Stuff

Space Future:
http://www.spacefuture.com/directory.shtml

Astro Biology:
http://www.astrobio.net/

Geography and Area and Country Studies References

Library of Congress Collection of the Federal Research Division's Country Studies/Area Handbook Series: Extensive collection of books describing the historical setting, geography, society, economy, political system, and foreign policy of various country/regions
https://www.loc.gov/collections/country-studies/

Country Studies: Country Studies/Area Handbook Series Federal Research Division of the Library of Congress and sponsored by the Army, with describing the historical setting, geography, society, economy, political system, and foreign policy of various country/regions. Overlaps with the above.
http://countrystudies.us/

CIA World Factbook
https://www.cia.gov/library/publications/the-world-factbook/

Legal and Human rights Resouces and References

United Nations Universal Decleration of Human Rights
http://www.un.org/en/universal-declaration-human-rights/index.html

The Office of the United Nations High Commissioner for Human Rights's 9 Core International Human Rights Instruments
http://www.ohchr.org/EN/ProfessionalInterest/Pages/CoreInstruments.aspx

The Office of the United Nations High Commissioner for Human Rights's Human Rights Instruments: Long list of treaties and othe international human rights instruments.
http://www.ohchr.org/EN/ProfessionalInterest/Pages/UniversalHumanRightsInstruments.aspx

University of Minnesota Human Rights Center and Library: Extensive collection of human rights laws, treaties, and links.
http://hrlibrary.umn.edu/

Cornell University Law School Legal Information Institute (LII): Extensive collection of US constitutional, federal,and state laws.
https://www.law.cornell.edu/lii/get_the_law

Magna Carta Plus: British site dedicated to the Magna Carta and other civil liberties documents, and to bringing attention to attacks on and threats to civil liberties.
http://www.magnacartaplus.org/

Constitution Society: An extensive collection of national constitutions, and information on the US constitution and constitutional law. Webmaster has a pronounced right-wing bias, the but it does not effect the entire page.
http://constitution.org/

Useful General Reference Collections

USAF AU General References: An extensive collection of general references from the USAF's Air University.
http://www.au.af.mil/au/awc/awcgate/awc-ref.htm

My Old Collection of Links. No longer maintained, lots of link rot.
http://www.angelfire.com/dragon/daistallia/links/index.html