Explore Knowledge for Change resources through various categories in our catalog. Currently, they are organized by subject, format, and era and period.


Art and Visual Media

Blog Post

Movie and TV Shows


Newspaper/Magazine Article

Scholarly Article

Era and Period


Gilded Age

Jim Crow

Progressive Era

Great Migration

World War I

Great Depression

World War II

Civil Rights Era

Cold War

Reagan Era

War on Terror

Have any suggestion for an added category or subcategory? Contact the HGSA Media Coordinator at or