Birch bark letters from Siberia were written by people deported to Soviet Gulag labor camps. Often they had only birch bark for writing letters, especially during the World War II when paper was scarce everywhere. In 2023 Estonia, Latvia, Lithuania, Poland and Ukraine, submitted a joint application to include birch bark letters from Siberia (1945âÂÂ1965) in the UNESCO "Memory of the World" Register. The application presents 148 items, including letters and other documents on birch bark.
The preparations for this submission were started in 2015 by representatives of the three Baltic States.
In Estonia, they are kept in the Vabamu Museum of Occupations and Freedom and in the Estonian History Museum.
In 2009, the collection "Letters written in Siberia on birch bark" () was included in the Latvian national register of the UNESCO Memory of the World Programme. It consists of 45 letters written in prisons and camps between 1941 and 1965.
They are kept in eleven museums in Latvia, including the Tukums Museum, Aizkraukle History and Art Museum, , Museum of the Occupation of Latvia, Madona Local Lore and Art Museum (), Riga Museum of Literature and Music (Rakstniecëbas un mà «zikas muzejs), , Latvian Museum of National History.
Agrita Ozola, head of the , published the book (Siberian Letters).
On May 21, 2015, together with other objects, birch bark letters kept in the Museum of Occupations and Freedom Fights were entered into the Lithuania's national register of the Memory of the World. Other places in Lithuania that preserve birch bark letters are the Martynas Maà ¾vydas National Library of Lithuania, the Directorate of the State KernavàCultural Reserve, the "SÃÂla", a branch of the Gargà ¾dai Region Museum, the Special Archives of Lithuania, the , SalomÃÂja NÃÂris Memorial Museum, branch of the Maironis Lithuanian Literature Museum, à  iauliai "Auà ¡ra" Museum, Wroblewski Library of the Lithuanian Academy of Sciences, and Kaunas Ninth Fort Museum.
In Poland, they are preserved in in Licheà  Stary and in the Museum of the Second World War in Gdaà Âsk. In 2023, the Institute of National Remembrance received a diary made of birch bark written in Siberian exile. In 2023, Archiwum Kresowe in Zielona Góra received photographs of a similar diary from a private archive.
In Ukraine, they are preserved in the National Museum of the History of Ukraine in the Second World War, the and the , Ternopil.
In the U.S. Library of Congress, the letter are kept in the collection "Siberian Letters on Birch Bark".