Postage stamp collecting

Kaptein, Jan - Philately of Lithuania
A collector interested in the philately of Lithuania, Latvian stamps, and Estonian stamps

Apsit
Site devoted to information on Latvian stamps

Pasts
Postal bureau of the Republic of Latvia, with the latest issues of Latvian stamps

Loo, Wilhelm van - Postgeschichtliche Spurensuche im lettischen Kurland 1944/1945
Site in German about Latvian stamps and the history of the army postal service of Courland, a province of Latvia, during the German occupation of 1944-1945

Baltic States Stamp Page
This site is a central resource for all philatelic information (stamps, covers, revenues, postal history) related to Baltic states, including Latvian stamps.