Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
St. Louis World's Fair Louisiana Purchase Exposition, May to December, 1904.
- J.N. Matthews Co.
- J.N. Matthews Co., the Matthews-Northrup Works
- Penn State Rare Maps
- Saint Louis, Missouri, United States and Missouri, United States
- Contributed by:
- Penn State
- More details at