Curt Teich Postcard Archives, Illinois

The nation's largest publicly held collection of postcards and related materials, boasting around 2.5 million postcards alone. The Postcard Archives represent all fifty states, all the provinces of Canada, and about 115 other countries. It is computer-indexed by location, date and subject. In 2016, the collection was acquired by the Newberry Library, Chicago, from the Lake County Discovery Museum, Wauconda, where it had been previously housed.