* [[Habsburg Dynasty Study Group]]
* [[Heraldry Study Group]]
* [[Heraldry Index Study Group]]
* [[Heraldry Training Study Group]]
* [[Historiography Study Group]]
* [[Merovingian Dynasty Study Group]]
* [[Numismatic Study Group]]
* [[Online Armorial & Ordinary Study Group]]
* [[Philatelic Study Group]]
* [[Plymouth Colony Genealogy Study Group]]