National Council for the Social Studies
Founded in 1921, NCSS engages and supports educators in strengthening and advocating social studies. With members in all the 50 states, the District of Columbia, and 69 foreign countries, NCSS serves as an umbrella organization for elementary, secondary, and college teachers of history, geography, economics, political science, sociology, psychology, anthropology, and law-related education. Wikipedia*
On the C-SPAN Networks:
National Council for the Social Studies has hosted 5 events in the C-SPAN Video Library; the first program was a 1963 Vignette. Most appearances with John Milewski (2).