I hope these links will assist you. TEA, TCAT, GISD AND OTHER GOVERNMENTAL SITES SEARCH ENGINES, REFERENCES, AND MEDIA SOURCE SITE PUBLISHERS, USED TEXTBOOK COMPANIES,AND ASSOCIATIONS VENDORS FOR TEXTBOOK COORDINATORS
TEA, TCAT, GISD AND OTHER GOVERNMENTAL SITES
SEARCH ENGINES, REFERENCES, AND MEDIA SOURCE SITE 
PUBLISHERS, USED TEXTBOOK COMPANIES,AND ASSOCIATIONS
VENDORS FOR TEXTBOOK COORDINATORS
