Abrams Learning Trends, Social Studies Content Area Reading Success, www.abramslearningtrends.com
American Enterprise Institute, What So Proudly We Hail, www.aei.org
Espresso Education, Social Studies Multimedia Learning, www.espressoeducation.com
The Gilder Lehrman Institute of American History, History in a Box, www.gilderlehrman.org
McGraw-Hill, Social Studies Learning Network, www.mcgrawhillnetworks.com
Pearson, The Idea of America: An American History Curriculum by Colonial Williamsburg, www.pearsonschool.com
WorldView Software, Social Studies Software Series, www.worldviewsoftware.com
The World & I Online, Social Studies Curricula, www.worldandischool.com
