Since 1989, ASHP/CML has worked with K-12 and college instructors in professional development seminars in New York City and around the country. Over the years, we have developed an extensive archive of primary documents, teaching strategies, and other resources that look at how ordinary people both influenced and were influenced by the nation’s economic and political transformations. SHEC shares these resources with a wider public. We hope teachers, students, and those who love to learn about the past will use SHEC to improve their understanding of United States history and the working people and ordinary Americans who shaped it.