American Philatelic Society (APS)

www.stamps.org

Ebony Society of Philatelic Events and Reflections (ESPER)

www.esperstamps.org

USPS Collectors Zone – Black History

American First Day Cover Society (www.afdcs.org)

American Topical Association (www.americantopicalassn.org)

National Postal Museum (https://postalmuseum.si.edu/)

National Postal Museum section on African Americans in Philately