Postal History Foundation Library
Carl H. Spitzer, Librarian
P.O. Box 40724
Tucson,
AZ, 85717-0725
USA.
Website: postalhistoryfoundation.org

Rocky Mountain Philatelic Philatelic Library
Sergio Lugo– President
2038 South Pontiac Way
Denver,
CO, 80224
USA.
Website: www.rmpldenver.org

San Diego Couinty Philatelic Library
330 W. Felicita
Escondida,
CA, 92025
USA.

Smithsonian Institution Lib., National Postal Museum
Timothy Carr, Librarian
Smithsonian Museum
Washington,
DC, 20560
USA.
Website: www.siris.si.edu

Western Philatelic Library Inc.
Roger Skinner, Acquisitions
P.O. Box 2219
Sunnyvale,
CA, 94087-2219
USA.
Website: www.fwpl.org

Wineburgh Philatelic Research Library
Larry Sall, Librarian
P.O. Box 830643
Richardson,
TX, 75093-0643
USA.
Website: library.utdallas.edu/special-collections-and-archives/philatelic-collection/