Centennial Exhibition photograph and ephemera collection
Historic Bethlehem Museums & Sites - Lehigh Valley Passport To History
Insider's Guide: Exploring Bethlehem's National Museum of Industrial History – The Morning Call
Bethlehem - Wikipedia
Bethlehem is making a time capsule. Here's what should be in it.
Bethlehem at 275: Building a future on the past – The Morning Call
Bethlehem Museum - All You Need to Know BEFORE You Go (with Photos)
Exploring Pennsylvania's Industrial Past at the National Museum of Industrial History in Bethlehem - Uncovering PA
History of Bethlehem - City of Bethlehem - City of Bethlehem