For Researchers

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Philatelists working in the library

The Museum supports a wide variety of interdisciplinary research projects which address topics of importance such as current and future postal operations, as well as philatelic and postal history. Our efforts are a resource and point of reference for research and wider investigation by historians throughout the United States and the world.


With more than 40,000 books, journals, catalogues and archival documents, the National Postal Museum Library is among the world's largest postal history and philatelic research facilities.

Forensic Laboratory

The Museum houses a laboratory with a unique combination of equipment for the analytical or forensic study of philatelic materials.