Digital Resources of the Herder Institute für Historische Ostmitteleuropaforschung
The Herder Institute für Historische Ostmitteleuropaforschung provides archival resources and articles, as well as databases and catalogues on the history of East Central Europe. The website includes a number of resources on the period of the First World War and the interwar period in East Central Europe.
Eestlased Esimeses maailmasõjas (Estonians in the First World War)
A crowd-sourced project organized by the Estonian National Archives to gather information on the 100,000 Estonians who fought or otherwise participated in the First World War. The website is in Estonian.
Estonian Film Archives
More than 600 archives have registered and digitized their material. The growing archive contains over 275,000 film, photo, and video sources.
Fotis, Rahvusarhiiv, The National Archives of Estonia
The photographic database of the National Archives of Estonia. Website available in English and Estonian, records in Estonian.