Philately of Lithuania - Filatelie van Litouwen (update: April 20, 2012)
Philately of Latvia (update: April 27, 2012)
Philately of Estonia (update: April 28, 2012)
LITERATURE, index on articles (HBG, Lituania, Phillit, LPS, PFL, BLPSNY, etc. (update April 25, 2012)
Links to other sites: via delicious
More interesting subjects:
Beer on tsaristic postal stationeries (also with a Latvian connection), updated 26 february 2009
KRAG-machinecancels (updated 11 January 2009)
The old site: Philately of Lithuania - Filatelie van Litouwen
The old site: Philately of Estonia - Latvia
Filatelistengroep Het Baltische Gebied - Philatelic SocietyThe Baltic Area