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The Estonian Postage Stamp Centenary
Eesti Rahva Muuseum / Eve Aab
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Latvian Philately
Latvian Philatelic Union
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90 Years Estonian Airmail
Eesti Postimuuseum
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Documents from Lithuania
Arūnas Sakalauskas
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Estonian stamp collection 19181941
Tuomo Henttu
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Stamp forgeries around the world
Morten Munck
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The Estonian Postage Stamp Centenary Part 2
Eesti Rahva Muuseum / Eve Aab
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Lithuanian Philatelic Society
Audrius Brazdeikis
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Working Group Russia / USSR
Werner Weidner
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Military Censorship in Tsarist Russia 19041917
David M. Skipton / Exponet
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Bibliography on forged stamps
G. Kock
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The Postal Service in Estonia from the Postal Reform of 1830 to the Independence of the Republic in 1918
Walter Hörichs / Odessaphilex 2014 Exhibit
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Federal Working Group Poland
Michael Lenke
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Estonian Philately
Eesti Filatelistide Liit
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Postmarks Memel area
Jürgen Kraft
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Estonian Scouts in Exile 19441991
Eesti Postimuuseum / Exponet
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Russian Postal History On-line
Trevor Pateman
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Estonian Postal History
Ahto Tanner
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Tracing postal history in Latvian Courland 1944/1945
Wilhelm van Loo
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The Baltic Region
Filatelistengroep 'Het Baltische Gebied'
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Forgeries in Lithuanian Philately 19181940
Now in it's own catalogueAntanas Jankauskas
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Working Group
German Eastern TerritoriesHartmut Saager
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Russian Postmarks
Robert S. Cragg
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Baltic States Web
Jan Kaptein
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Lithuanian Stamps 19181940
Arūnas Sakalauskas
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ArGe German Field Post 19141918
Andreas Kitz
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Collection Latvia Forerunner 16401902
Auktionshaus Christoph Gärtner / Exponet
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Lithuanian Philately
Audrius Brazdeikis
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Baltic Stamps Link list
former 'Steve Kowalski's Baltic States Philatelic Page', redesigned Juli 2013
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British Society of Russian Philetely
NN
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Philately Blog Lithuania
Prahanoaki
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Postal History of the Baltic States
Jan Kaptein
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Estonian forgeries
1918 1940Bjørn H. Bakken
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Rossica Society Archive
UF | George A. Smathers Libraries
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Stamps of the Memel Region
Tobias Huylmans
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Rossica The Society of Russian Philately
Alexander Kolchinsky
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The Estonian Philatelist
former EFÜR website
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LITUANICA
Antanas Jankauskas
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Filatelistische Contactgroep Oost Europa (FCOE)
N.N.
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Lithuania on stamps from all over the world
Tomas Rimdeika
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Postage Estonia, Latvia, Lithuania, Memel
Sijtze Reurich