Featured Primary Source Sets
Curated collections of primary and secondary sources focused on a single topic to inform and engage teachers and students.

Learn about the history and significance of cyanotypes, an early photographic technique.

Format Highlight: Stereographs
Learn about the history and significance of stereograph images, a common photographic format.

Mechanization of Farming in Minnesota
Learn about the mechanization of farming in Minnesota and its impact on the state.

Natural Disasters in Minnesota
Learn how people survived and coped with some of Minnesota’s historic natural disasters such as storms, floods and wildfires.