This collection of links contains content-rich websites for orientation and research. I try to keep the list short. (There are additional Website recommendations in some of the main content pages.)
Art
Countries and Regions
Economics
Electronic Texts
- Access to Insight – Readings in Theravada Buddhism
- Bartleby.com
- Bible Gateway
- Catholic Encyclopedia
- Christian Classics Library
- Deutsches Text Archiv
- Internet Classics Archive
- Internet Global History Sourcebook
- Internet History Sourcebooks Project
- Literature Network
- Marxists Internet Archive
- Perseus Digital Library
- Project Gutenberg
- Project Wittenberg
- Soto Zen Text Project
- Theravada Buddhism – Access to Insight. Buddhist text collections.
- Wikisource
History
Literature and Poetry
Math/Logic
- Clay Mathematics Institute
- Infinite Ink
- Knotplot: Knot theory, pictures, links.
- Math Answers
- Mathematical Sciences Research Institute
- Mountain Math Software
- NewScientist
- Numberphile: Interesting video clips about Math.
- The MacTutor History of Mathematics archive
- The Prime Pages
- Wolfram Alpha Computational Search Engine
- Wolfram MathWorld
Philosophy
Physics
- Albert Einstein
- An aggregator site for science blogs
- Mountain Math Software
- NewScientist
- Online Learning: Fun With Physics!
- Open Source Physics
- Particle Physics Introduction
- Physics Research
- Physorg.com – Science, Physics, Tech, Nano, News.
- The "Official String Theory Web Site"
- Theoretical Physics Fun
- Wolfram Alpha Computational Search Engine