Authors, Estonian 4 Estland 4 Folklorists 4 Social life and customs 4 Collectors and collecting 3 Eesti Rahva Muuseum 2 Estonian language 2 Fieldwork 2 Folklore 2 World War, 1939-1945 2 Aavik, Johannes 1 Annexation to the Soviet Union 1 Besetzung 1 Botanists 1 Botany 1 Criticism and interpretation 1 Description and travel 1 Diaries 1 Diplomatic history 1 Estnisch 1 Estonians 1 Ethnobotanists 1 Foreign relations 1 Geschichte 1939-1940 1 Geschichte 1940-1951 1 Geschichte 1942-1943 1 Geschichte 1 Ivask, Ivar 1 Kallas, Oskar 1 Linguists 1