The Austrian Association for Settlements and Small Gardens (Österreichische Verband für Siedlungs-und Kleingartenwesen OVSK) was an organisation established following the First World War to support people in need of housing and the allotment movement princiaplly in and around Vienna.
The organisation was founded by Otto Neurath in 1921.
OVSK was the basis for the Museum für Siedlung und Städtebau (Museum for Settlement and Town Planning).
References
Austrian Association for Settlements and Small Gardens Wikipedia(Text) CC BY-SA