Philatelic Glossary

English/Chinese Bilingual Philatelic Glossary on Termbases.eu

Website: https://www.termbases.eu/

Canadian Elizabethan Stamp Glossary by Elizabeth II Study Group (BNAPS)

Website: https://www.adminware.ca/esg/

United States Postal Service (USPS) Abbreviations Glossary by Douglas Boynton Quine

Website: https://www.quine.org/

Glossary of Philatelic Terms on USPS

Website: https://www.usps.com/

Philatelic Terminology on Wikipedia

Website: https://en.wikipedia.org/