This edition of the Hagley History Hangout from Digitization and Metadata Coordinator Skylar Harris​ explores some of the techniques archivists use to reveal the origins of misidentified or unidentified materials in their collections, and how these efforts revealed a collection documenting another obscure commercial photographer and the early history of Mauch Chunk, Pennsylvania.

Watch Archivist as Detective: William H. Rau, James Zellner, and the Mauch Chunk Railway Lantern Slides