HEATKEYS

American Philatelic Society, the online portal for stamp collectors from around the world. Over 50,000 members enjoy many benefits and services.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

University at Buffalo Libraries provide resources for students, faculty and the public

The Rossica Society is a worldwide society devoted to all aspects of Russian philately, from the pre-stamp days of Imperial Russia to current post-Soviet philately. The Society publishes two issues per year of the Award-Winning Rossica Journal which...

Society for Hungarian Philately, promoting the collecting of stamps and the study of the postal history of Hungary and related areas.

Ukrainian Philatelic and Numismatic Society unites collectors of Ukrainian stamps, postal history, postcards, coins, banknotes, medals and other collectibles.

IAP provides funding, mentoring and education for philatelists wishing to perform analytical research projects.