A large selection of books, catalogues, guides, dictionaries and handbooks, specialised in philately,
postal history, military, maritime, air mail, thematics, postcards, numismatics, collecting general works and history.
The American Philatelic Research Library is the largest public philatelic library in the United States.
Its holdings include many of philately's classic periodicals, and it receives more than 400 current
periodicals from around the world. Catalogues, government documents, auction catalogues, and a variety
of other materials are available for use. The library publishes a quarterly journal, Philatelic Literature Review.
This periodical contains indexes and bibliographies, reviews of current philatelic literature, market and
price information, news from the APRL, and "The Clearinghouse," a forum where subscribers list
literature they want to buy or sell.
The National Postal Museum Library is one of twenty specialized libraries in the Smithsonian Institution
Libraries system. The National Philatelic Collection was the basis of the Library when it was established
in 1993. Now, 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.
The Postal History Foundation is a privately funded nonprofit charitable organization. It is a hub
of postal research and education in the southwest. The Peggy J. Slusser library houses a collection of more
than 25,000 books, journals, US Post Office and United States Postal Service (USPS) publications. These provide
scholars with a worldwide range of philatelic literature. The collection maintains a special emphasis on the United
States, and is a rich source of Civil War literature, memorabilia and ephemera.