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SAM'S
CHS RESOURCES BY SUBJECT
IMAGES - Public Domain
MorgueFile
Pics4Learning
Flickr: The
Commons
Flickr and the Library of Congress manage this publicly-held
photography collection.
Wikipedia: Public Domain Images
Scroll through historical collections to Public domain image meta-resources
LIFE Photo Archive from Google1750s-now
Old Pictures
Audio/Music - Public Domain
Jamendo
dig ccmixter
DEWEY
CATEGORIES
Internet
resources organized according to the Dewey Decimal System
GLOBAL AWARENESS
United Nations World Food Program
Central Asia Institute (Pennies for Peace)
MATH
All math teachers
- Publisher Help
Site
Taming
Word Problems
Interactive
Math Tutorials
The Golden Ratio Webquest
Fibonacci Spiral
The Golden Rectangle
MYTHOLOGY
Greek Myths
Encyclopedia Mythica 
PRIMARY SOURCES
Calisphere - American history collections
Library of Congress: American Memory
Library of Congress: America's Story
Library of Congress: Web Guides
Library of Congress: Wise Guides
The National Archives (all subjects)
Teaching with Historic Places
Smithsonian Education (all subjects)
UCLA Institute of Primary Sources
SCIENCE
Encyclopedia of Life
How
Stuff Works
Hubble Site
The National Science Digital Library
Scirus - the science search engine